20171120914

素因数分解:

$2^1\times 7^1\times {\mathrm{20809}}^1\times {\mathrm{69239}}^1$

素因数の和:90057

約数の個数: 16

約数和(自身を含む): 34581225600

約数和(自身を除く): 14410104686

約数列:

[1, 2, 7, 14, 20809, 41618, 69239, 138478, 145663, 291326, 484673, 969346, 1440794351, 2881588702, 10085560457, 20171120914]

約数ペア:

[(1, 20171120914), (2, 10085560457), (7, 2881588702), (14, 1440794351), (20809, 969346), (41618, 484673), (69239, 291326), (138478, 145663)]