20197430720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{46997}}^1$

素因数の和:47110

約数の個数: 112

約数和(自身を含む): 51569965440

約数和(自身を除く): 31372534720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 136, 158, 160, 170, 272, 316, 320, 340, 395, 544, 632, 680, 790, 1088, 1264, 1343, 1360, 1580, 2528, 2686, 2720, 3160, 5056, 5372, 5440, 6320, 6715, 10744, 12640, 13430, 21488, 25280, 26860, 42976, 46997, 53720, 85952, 93994, 107440, 187988, 214880, 234985, 375976, 429760, 469970, 751952, 798949, 939940, 1503904, 1597898, 1879880, 3007808, 3195796, 3712763, 3759760, 3994745, 6391592, 7425526, 7519520, 7989490, 12783184, 14851052, 15039040, 15978980, 18563815, 25566368, 29702104, 31957960, 37127630, 51132736, 59404208, 63116971, 63915920, 74255260, 118808416, 126233942, 127831840, 148510520, 237616832, 252467884, 255663680, 297021040, 315584855, 504935768, 594042080, 631169710, 1009871536, 1188084160, 1262339420, 2019743072, 2524678840, 4039486144, 5049357680, 10098715360, 20197430720]

約数ペア:

[(1, 20197430720), (2, 10098715360), (4, 5049357680), (5, 4039486144), (8, 2524678840), (10, 2019743072), (16, 1262339420), (17, 1188084160), (20, 1009871536), (32, 631169710), (34, 594042080), (40, 504935768), (64, 315584855), (68, 297021040), (79, 255663680), (80, 252467884), (85, 237616832), (136, 148510520), (158, 127831840), (160, 126233942), (170, 118808416), (272, 74255260), (316, 63915920), (320, 63116971), (340, 59404208), (395, 51132736), (544, 37127630), (632, 31957960), (680, 29702104), (790, 25566368), (1088, 18563815), (1264, 15978980), (1343, 15039040), (1360, 14851052), (1580, 12783184), (2528, 7989490), (2686, 7519520), (2720, 7425526), (3160, 6391592), (5056, 3994745), (5372, 3759760), (5440, 3712763), (6320, 3195796), (6715, 3007808), (10744, 1879880), (12640, 1597898), (13430, 1503904), (21488, 939940), (25280, 798949), (26860, 751952), (42976, 469970), (46997, 429760), (53720, 375976), (85952, 234985), (93994, 214880), (107440, 187988)]