20565430270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{68659}}^1$

素因数の和:69073

約数の個数: 64

約数和(自身を含む): 46271347200

約数和(自身を除く): 25705916930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 389, 770, 778, 1945, 2723, 3890, 4279, 5446, 8558, 13615, 21395, 27230, 29953, 42790, 59906, 68659, 137318, 149765, 299530, 343295, 480613, 686590, 755249, 961226, 1510498, 2403065, 3776245, 4806130, 5286743, 7552490, 10573486, 26433715, 26708351, 52867430, 53416702, 133541755, 186958457, 267083510, 293791861, 373916914, 587583722, 934792285, 1468959305, 1869584570, 2056543027, 2937918610, 4113086054, 10282715135, 20565430270]

約数ペア:

[(1, 20565430270), (2, 10282715135), (5, 4113086054), (7, 2937918610), (10, 2056543027), (11, 1869584570), (14, 1468959305), (22, 934792285), (35, 587583722), (55, 373916914), (70, 293791861), (77, 267083510), (110, 186958457), (154, 133541755), (385, 53416702), (389, 52867430), (770, 26708351), (778, 26433715), (1945, 10573486), (2723, 7552490), (3890, 5286743), (4279, 4806130), (5446, 3776245), (8558, 2403065), (13615, 1510498), (21395, 961226), (27230, 755249), (29953, 686590), (42790, 480613), (59906, 343295), (68659, 299530), (137318, 149765)]