20158684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55381}}^1$

素因数の和:55405

約数の個数: 24

約数和(自身を含む): 43419488

約数和(自身を除く): 23260804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55381, 110762, 221524, 387667, 719953, 775334, 1439906, 1550668, 2879812, 5039671, 10079342, 20158684]

約数ペア:

[(1, 20158684), (2, 10079342), (4, 5039671), (7, 2879812), (13, 1550668), (14, 1439906), (26, 775334), (28, 719953), (52, 387667), (91, 221524), (182, 110762), (364, 55381)]