20158754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 17774302

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 223, 446, 587, 1174, 1561, 2453, 3122, 4109, 4906, 6457, 8218, 12914, 17171, 34342, 45199, 90398, 130901, 261802, 916307, 1439911, 1832614, 2879822, 10079377, 20158754]

約数ペア:

[(1, 20158754), (2, 10079377), (7, 2879822), (11, 1832614), (14, 1439911), (22, 916307), (77, 261802), (154, 130901), (223, 90398), (446, 45199), (587, 34342), (1174, 17171), (1561, 12914), (2453, 8218), (3122, 6457), (4109, 4906)]