20973598288

素因数分解:

$2^4\times {\mathrm{72251}}^1\times {\mathrm{18143}}^1$

素因数の和:90402

約数の個数: 20

約数和(自身を含む): 40639148928

約数和(自身を除く): 19665550640

約数列:

[1, 2, 4, 8, 16, 18143, 36286, 72251, 72572, 144502, 145144, 289004, 290288, 578008, 1156016, 1310849893, 2621699786, 5243399572, 10486799144, 20973598288]

約数ペア:

[(1, 20973598288), (2, 10486799144), (4, 5243399572), (8, 2621699786), (16, 1310849893), (18143, 1156016), (36286, 578008), (72251, 290288), (72572, 289004), (144502, 145144)]