16517420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26641}}^1$

素因数の和:26681

約数の個数: 24

約数和(自身を含む): 35806848

約数和(自身を除く): 19289428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26641, 53282, 106564, 133205, 266410, 532820, 825871, 1651742, 3303484, 4129355, 8258710, 16517420]

約数ペア:

[(1, 16517420), (2, 8258710), (4, 4129355), (5, 3303484), (10, 1651742), (20, 825871), (31, 532820), (62, 266410), (124, 133205), (155, 106564), (310, 53282), (620, 26641)]