20416136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1801}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 41626200

約数和(自身を除く): 21210064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1801, 2834, 3602, 5668, 7204, 11336, 14408, 23413, 46826, 93652, 187304, 196309, 392618, 785236, 1570472, 2552017, 5104034, 10208068, 20416136]

約数ペア:

[(1, 20416136), (2, 10208068), (4, 5104034), (8, 2552017), (13, 1570472), (26, 785236), (52, 392618), (104, 196309), (109, 187304), (218, 93652), (436, 46826), (872, 23413), (1417, 14408), (1801, 11336), (2834, 7204), (3602, 5668)]