20123289720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1\times {\mathrm{1997}}^1$

素因数の和:3254

約数の個数: 192

約数和(自身を含む): 68334477120

約数和(自身を除く): 48211187400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1217, 1380, 1656, 1997, 2070, 2434, 2760, 3651, 3994, 4140, 4868, 5991, 6085, 7302, 7988, 8280, 9736, 9985, 10953, 11982, 12170, 14604, 15976, 17973, 18255, 19970, 21906, 23964, 24340, 27991, 29208, 29955, 35946, 36510, 39940, 43812, 45931, 47928, 48680, 54765, 55982, 59910, 71892, 73020, 79880, 83973, 87624, 89865, 91862, 109530, 111964, 119820, 137793, 139955, 143784, 146040, 167946, 179730, 183724, 219060, 223928, 229655, 239640, 251919, 275586, 279910, 335892, 359460, 367448, 413379, 419865, 438120, 459310, 503838, 551172, 559820, 671784, 688965, 718920, 826758, 839730, 918620, 1007676, 1102344, 1119640, 1259595, 1377930, 1653516, 1679460, 1837240, 2015352, 2066895, 2430349, 2519190, 2755860, 3307032, 3358920, 4133790, 4860698, 5038380, 5511720, 7291047, 8267580, 9721396, 10076760, 12151745, 14582094, 16535160, 19442792, 21873141, 24303490, 29164188, 36455235, 43746282, 48606980, 55898027, 58328376, 72910470, 87492564, 97213960, 109365705, 111796054, 145820940, 167694081, 174985128, 218731410, 223592108, 279490135, 291641880, 335388162, 437462820, 447184216, 503082243, 558980270, 670776324, 838470405, 874925640, 1006164486, 1117960540, 1341552648, 1676940810, 2012328972, 2235921080, 2515411215, 3353881620, 4024657944, 5030822430, 6707763240, 10061644860, 20123289720]

約数ペア:

[(1, 20123289720), (2, 10061644860), (3, 6707763240), (4, 5030822430), (5, 4024657944), (6, 3353881620), (8, 2515411215), (9, 2235921080), (10, 2012328972), (12, 1676940810), (15, 1341552648), (18, 1117960540), (20, 1006164486), (23, 874925640), (24, 838470405), (30, 670776324), (36, 558980270), (40, 503082243), (45, 447184216), (46, 437462820), (60, 335388162), (69, 291641880), (72, 279490135), (90, 223592108), (92, 218731410), (115, 174985128), (120, 167694081), (138, 145820940), (180, 111796054), (184, 109365705), (207, 97213960), (230, 87492564), (276, 72910470), (345, 58328376), (360, 55898027), (414, 48606980), (460, 43746282), (552, 36455235), (690, 29164188), (828, 24303490), (920, 21873141), (1035, 19442792), (1217, 16535160), (1380, 14582094), (1656, 12151745), (1997, 10076760), (2070, 9721396), (2434, 8267580), (2760, 7291047), (3651, 5511720), (3994, 5038380), (4140, 4860698), (4868, 4133790), (5991, 3358920), (6085, 3307032), (7302, 2755860), (7988, 2519190), (8280, 2430349), (9736, 2066895), (9985, 2015352), (10953, 1837240), (11982, 1679460), (12170, 1653516), (14604, 1377930), (15976, 1259595), (17973, 1119640), (18255, 1102344), (19970, 1007676), (21906, 918620), (23964, 839730), (24340, 826758), (27991, 718920), (29208, 688965), (29955, 671784), (35946, 559820), (36510, 551172), (39940, 503838), (43812, 459310), (45931, 438120), (47928, 419865), (48680, 413379), (54765, 367448), (55982, 359460), (59910, 335892), (71892, 279910), (73020, 275586), (79880, 251919), (83973, 239640), (87624, 229655), (89865, 223928), (91862, 219060), (109530, 183724), (111964, 179730), (119820, 167946), (137793, 146040), (139955, 143784)]