20731625120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107351}}^1$

素因数の和:107454

約数の個数: 96

約数和(自身を含む): 52590456576

約数和(自身を除く): 31858831456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 136, 142, 160, 170, 272, 284, 340, 355, 544, 568, 680, 710, 1136, 1207, 1360, 1420, 2272, 2414, 2720, 2840, 4828, 5680, 6035, 9656, 11360, 12070, 19312, 24140, 38624, 48280, 96560, 107351, 193120, 214702, 429404, 536755, 858808, 1073510, 1717616, 1824967, 2147020, 3435232, 3649934, 4294040, 7299868, 7621921, 8588080, 9124835, 14599736, 15243842, 17176160, 18249670, 29199472, 30487684, 36499340, 38109605, 58398944, 60975368, 72998680, 76219210, 121950736, 129572657, 145997360, 152438420, 243901472, 259145314, 291994720, 304876840, 518290628, 609753680, 647863285, 1036581256, 1219507360, 1295726570, 2073162512, 2591453140, 4146325024, 5182906280, 10365812560, 20731625120]

約数ペア:

[(1, 20731625120), (2, 10365812560), (4, 5182906280), (5, 4146325024), (8, 2591453140), (10, 2073162512), (16, 1295726570), (17, 1219507360), (20, 1036581256), (32, 647863285), (34, 609753680), (40, 518290628), (68, 304876840), (71, 291994720), (80, 259145314), (85, 243901472), (136, 152438420), (142, 145997360), (160, 129572657), (170, 121950736), (272, 76219210), (284, 72998680), (340, 60975368), (355, 58398944), (544, 38109605), (568, 36499340), (680, 30487684), (710, 29199472), (1136, 18249670), (1207, 17176160), (1360, 15243842), (1420, 14599736), (2272, 9124835), (2414, 8588080), (2720, 7621921), (2840, 7299868), (4828, 4294040), (5680, 3649934), (6035, 3435232), (9656, 2147020), (11360, 1824967), (12070, 1717616), (19312, 1073510), (24140, 858808), (38624, 536755), (48280, 429404), (96560, 214702), (107351, 193120)]