208045220

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{13457}}^1$

素因数の和:14239

約数の個数: 24

約数和(自身を含む): 437492664

約数和(自身を除く): 229447444

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 7730, 13457, 15460, 26914, 53828, 67285, 134570, 269140, 10402261, 20804522, 41609044, 52011305, 104022610, 208045220]

約数ペア:

[(1, 208045220), (2, 104022610), (4, 52011305), (5, 41609044), (10, 20804522), (20, 10402261), (773, 269140), (1546, 134570), (3092, 67285), (3865, 53828), (7730, 26914), (13457, 15460)]