20187363

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 31518720

約数和(自身を除く): 11331357

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 719, 1337, 2157, 4011, 5033, 9359, 15099, 28077, 35231, 105693, 137329, 411987, 961303, 2883909, 6729121, 20187363]

約数ペア:

[(1, 20187363), (3, 6729121), (7, 2883909), (21, 961303), (49, 411987), (147, 137329), (191, 105693), (573, 35231), (719, 28077), (1337, 15099), (2157, 9359), (4011, 5033)]