20464712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19452088

約数列:

[1, 2, 4, 8, 31, 62, 124, 179, 248, 358, 461, 716, 922, 1432, 1844, 3688, 5549, 11098, 14291, 22196, 28582, 44392, 57164, 82519, 114328, 165038, 330076, 660152, 2558089, 5116178, 10232356, 20464712]

約数ペア:

[(1, 20464712), (2, 10232356), (4, 5116178), (8, 2558089), (31, 660152), (62, 330076), (124, 165038), (179, 114328), (248, 82519), (358, 57164), (461, 44392), (716, 28582), (922, 22196), (1432, 14291), (1844, 11098), (3688, 5549)]