20345624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 41595120

約数和(自身を除く): 21249496

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2357, 4316, 4714, 8632, 9428, 18856, 30641, 61282, 122564, 195631, 245128, 391262, 782524, 1565048, 2543203, 5086406, 10172812, 20345624]

約数ペア:

[(1, 20345624), (2, 10172812), (4, 5086406), (8, 2543203), (13, 1565048), (26, 782524), (52, 391262), (83, 245128), (104, 195631), (166, 122564), (332, 61282), (664, 30641), (1079, 18856), (2158, 9428), (2357, 8632), (4316, 4714)]