20468237760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2689}}^1$

素因数の和:3596

約数の個数: 224

約数和(自身を含む): 72316238400

約数和(自身を除く): 51848000640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 881, 960, 1080, 1440, 1728, 1762, 2160, 2643, 2689, 2880, 3524, 4320, 4405, 5286, 5378, 7048, 7929, 8067, 8640, 8810, 10572, 10756, 13215, 13445, 14096, 15858, 16134, 17620, 21144, 21512, 23787, 24201, 26430, 26890, 28192, 31716, 32268, 35240, 39645, 40335, 42288, 43024, 47574, 48402, 52860, 53780, 56384, 63432, 64536, 70480, 72603, 79290, 80670, 84576, 86048, 95148, 96804, 105720, 107560, 118935, 121005, 126864, 129072, 140960, 145206, 158580, 161340, 169152, 172096, 190296, 193608, 211440, 215120, 237870, 242010, 253728, 258144, 281920, 290412, 317160, 322680, 363015, 380592, 387216, 422880, 430240, 475740, 484020, 507456, 516288, 580824, 634320, 645360, 726030, 761184, 774432, 845760, 860480, 951480, 968040, 1161648, 1268640, 1290720, 1452060, 1522368, 1548864, 1902960, 1936080, 2323296, 2369009, 2537280, 2581440, 2904120, 3805920, 3872160, 4646592, 4738018, 5808240, 7107027, 7611840, 7744320, 9476036, 11616480, 11845045, 14214054, 18952072, 21321081, 23232960, 23690090, 28428108, 35535135, 37904144, 42642162, 47380180, 56856216, 63963243, 71070270, 75808288, 85284324, 94760360, 106605405, 113712432, 127926486, 142140540, 151616576, 170568648, 189520720, 213210810, 227424864, 255852972, 284281080, 319816215, 341137296, 379041440, 426421620, 454849728, 511705944, 568562160, 639632430, 682274592, 758082880, 852843240, 1023411888, 1137124320, 1279264860, 1364549184, 1705686480, 2046823776, 2274248640, 2558529720, 3411372960, 4093647552, 5117059440, 6822745920, 10234118880, 20468237760]

約数ペア:

[(1, 20468237760), (2, 10234118880), (3, 6822745920), (4, 5117059440), (5, 4093647552), (6, 3411372960), (8, 2558529720), (9, 2274248640), (10, 2046823776), (12, 1705686480), (15, 1364549184), (16, 1279264860), (18, 1137124320), (20, 1023411888), (24, 852843240), (27, 758082880), (30, 682274592), (32, 639632430), (36, 568562160), (40, 511705944), (45, 454849728), (48, 426421620), (54, 379041440), (60, 341137296), (64, 319816215), (72, 284281080), (80, 255852972), (90, 227424864), (96, 213210810), (108, 189520720), (120, 170568648), (135, 151616576), (144, 142140540), (160, 127926486), (180, 113712432), (192, 106605405), (216, 94760360), (240, 85284324), (270, 75808288), (288, 71070270), (320, 63963243), (360, 56856216), (432, 47380180), (480, 42642162), (540, 37904144), (576, 35535135), (720, 28428108), (864, 23690090), (881, 23232960), (960, 21321081), (1080, 18952072), (1440, 14214054), (1728, 11845045), (1762, 11616480), (2160, 9476036), (2643, 7744320), (2689, 7611840), (2880, 7107027), (3524, 5808240), (4320, 4738018), (4405, 4646592), (5286, 3872160), (5378, 3805920), (7048, 2904120), (7929, 2581440), (8067, 2537280), (8640, 2369009), (8810, 2323296), (10572, 1936080), (10756, 1902960), (13215, 1548864), (13445, 1522368), (14096, 1452060), (15858, 1290720), (16134, 1268640), (17620, 1161648), (21144, 968040), (21512, 951480), (23787, 860480), (24201, 845760), (26430, 774432), (26890, 761184), (28192, 726030), (31716, 645360), (32268, 634320), (35240, 580824), (39645, 516288), (40335, 507456), (42288, 484020), (43024, 475740), (47574, 430240), (48402, 422880), (52860, 387216), (53780, 380592), (56384, 363015), (63432, 322680), (64536, 317160), (70480, 290412), (72603, 281920), (79290, 258144), (80670, 253728), (84576, 242010), (86048, 237870), (95148, 215120), (96804, 211440), (105720, 193608), (107560, 190296), (118935, 172096), (121005, 169152), (126864, 161340), (129072, 158580), (140960, 145206)]