64962020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{19927}}^1$

素因数の和:20099

約数の個数: 24

約数和(自身を含む): 137264064

約数和(自身を除く): 72302044

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 19927, 39854, 79708, 99635, 199270, 398540, 3248101, 6496202, 12992404, 16240505, 32481010, 64962020]

約数ペア:

[(1, 64962020), (2, 32481010), (4, 16240505), (5, 12992404), (10, 6496202), (20, 3248101), (163, 398540), (326, 199270), (652, 99635), (815, 79708), (1630, 39854), (3260, 19927)]