20217322440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{72277}}^1$

素因数の和:72341

約数の個数: 256

約数和(自身を含む): 79101043200

約数和(自身を除く): 58883720760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 210, 216, 222, 252, 259, 270, 280, 296, 315, 333, 360, 370, 378, 420, 444, 504, 518, 540, 555, 630, 666, 740, 756, 777, 840, 888, 945, 999, 1036, 1080, 1110, 1260, 1295, 1332, 1480, 1512, 1554, 1665, 1890, 1998, 2072, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3780, 3885, 3996, 4440, 4662, 4995, 5180, 6216, 6660, 6993, 7560, 7770, 7992, 9324, 9990, 10360, 11655, 13320, 13986, 15540, 18648, 19980, 23310, 27972, 31080, 34965, 39960, 46620, 55944, 69930, 72277, 93240, 139860, 144554, 216831, 279720, 289108, 361385, 433662, 505939, 578216, 650493, 722770, 867324, 1011878, 1084155, 1300986, 1445540, 1517817, 1734648, 1951479, 2023756, 2168310, 2529695, 2601972, 2674249, 2891080, 3035634, 3252465, 3902958, 4047512, 4336620, 4553451, 5059390, 5203944, 5348498, 6071268, 6504930, 7589085, 7805916, 8022747, 8673240, 9106902, 9757395, 10118780, 10696996, 12142536, 13009860, 13371245, 13660353, 15178170, 15611832, 16045494, 18213804, 18719743, 19514790, 20237560, 21393992, 22767255, 24068241, 26019720, 26742490, 27320706, 30356340, 32090988, 36427608, 37439486, 39029580, 40113735, 45534510, 48136482, 53484980, 54641412, 56159229, 60712680, 64181976, 68301765, 72204723, 74878972, 78059160, 80227470, 91069020, 93598715, 96272964, 106969960, 109282824, 112318458, 120341205, 136603530, 144409446, 149757944, 160454940, 168477687, 182138040, 187197430, 192545928, 224636916, 240682410, 273207060, 280796145, 288818892, 320909880, 336955374, 361023615, 374394860, 449273832, 481364820, 505433061, 546414120, 561592290, 577637784, 673910748, 722047230, 748789720, 842388435, 962729640, 1010866122, 1123184580, 1347821496, 1444094460, 1684776870, 2021732244, 2246369160, 2527165305, 2888188920, 3369553740, 4043464488, 5054330610, 6739107480, 10108661220, 20217322440]

約数ペア:

[(1, 20217322440), (2, 10108661220), (3, 6739107480), (4, 5054330610), (5, 4043464488), (6, 3369553740), (7, 2888188920), (8, 2527165305), (9, 2246369160), (10, 2021732244), (12, 1684776870), (14, 1444094460), (15, 1347821496), (18, 1123184580), (20, 1010866122), (21, 962729640), (24, 842388435), (27, 748789720), (28, 722047230), (30, 673910748), (35, 577637784), (36, 561592290), (37, 546414120), (40, 505433061), (42, 481364820), (45, 449273832), (54, 374394860), (56, 361023615), (60, 336955374), (63, 320909880), (70, 288818892), (72, 280796145), (74, 273207060), (84, 240682410), (90, 224636916), (105, 192545928), (108, 187197430), (111, 182138040), (120, 168477687), (126, 160454940), (135, 149757944), (140, 144409446), (148, 136603530), (168, 120341205), (180, 112318458), (185, 109282824), (189, 106969960), (210, 96272964), (216, 93598715), (222, 91069020), (252, 80227470), (259, 78059160), (270, 74878972), (280, 72204723), (296, 68301765), (315, 64181976), (333, 60712680), (360, 56159229), (370, 54641412), (378, 53484980), (420, 48136482), (444, 45534510), (504, 40113735), (518, 39029580), (540, 37439486), (555, 36427608), (630, 32090988), (666, 30356340), (740, 27320706), (756, 26742490), (777, 26019720), (840, 24068241), (888, 22767255), (945, 21393992), (999, 20237560), (1036, 19514790), (1080, 18719743), (1110, 18213804), (1260, 16045494), (1295, 15611832), (1332, 15178170), (1480, 13660353), (1512, 13371245), (1554, 13009860), (1665, 12142536), (1890, 10696996), (1998, 10118780), (2072, 9757395), (2220, 9106902), (2331, 8673240), (2520, 8022747), (2590, 7805916), (2664, 7589085), (3108, 6504930), (3330, 6071268), (3780, 5348498), (3885, 5203944), (3996, 5059390), (4440, 4553451), (4662, 4336620), (4995, 4047512), (5180, 3902958), (6216, 3252465), (6660, 3035634), (6993, 2891080), (7560, 2674249), (7770, 2601972), (7992, 2529695), (9324, 2168310), (9990, 2023756), (10360, 1951479), (11655, 1734648), (13320, 1517817), (13986, 1445540), (15540, 1300986), (18648, 1084155), (19980, 1011878), (23310, 867324), (27972, 722770), (31080, 650493), (34965, 578216), (39960, 505939), (46620, 433662), (55944, 361385), (69930, 289108), (72277, 279720), (93240, 216831), (139860, 144554)]