20217504916

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{174367}}^1$

素因数の和:174520

約数の個数: 48

約数和(自身を含む): 41831580672

約数和(自身を除く): 21614075756

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 101, 164, 202, 287, 404, 574, 707, 1148, 1414, 2828, 4141, 8282, 16564, 28987, 57974, 115948, 174367, 348734, 697468, 1220569, 2441138, 4882276, 7149047, 14298094, 17611067, 28596188, 35222134, 50043329, 70444268, 100086658, 123277469, 200173316, 246554938, 493109876, 722053747, 1444107494, 2888214988, 5054376229, 10108752458, 20217504916]

約数ペア:

[(1, 20217504916), (2, 10108752458), (4, 5054376229), (7, 2888214988), (14, 1444107494), (28, 722053747), (41, 493109876), (82, 246554938), (101, 200173316), (164, 123277469), (202, 100086658), (287, 70444268), (404, 50043329), (574, 35222134), (707, 28596188), (1148, 17611067), (1414, 14298094), (2828, 7149047), (4141, 4882276), (8282, 2441138), (16564, 1220569), (28987, 697468), (57974, 348734), (115948, 174367)]