20854792

素因数分解:

$2^3\times 7^2\times {\mathrm{53201}}^1$

素因数の和:53221

約数の個数: 24

約数和(自身を含む): 45487710

約数和(自身を除く): 24632918

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53201, 106402, 212804, 372407, 425608, 744814, 1489628, 2606849, 2979256, 5213698, 10427396, 20854792]

約数ペア:

[(1, 20854792), (2, 10427396), (4, 5213698), (7, 2979256), (8, 2606849), (14, 1489628), (28, 744814), (49, 425608), (56, 372407), (98, 212804), (196, 106402), (392, 53201)]