20213216

素因数分解:

$2^5\times {\mathrm{233}}^1\times {\mathrm{2711}}^1$

素因数の和:2954

約数の個数: 24

約数和(自身を含む): 39980304

約数和(自身を除く): 19767088

約数列:

[1, 2, 4, 8, 16, 32, 233, 466, 932, 1864, 2711, 3728, 5422, 7456, 10844, 21688, 43376, 86752, 631663, 1263326, 2526652, 5053304, 10106608, 20213216]

約数ペア:

[(1, 20213216), (2, 10106608), (4, 5053304), (8, 2526652), (16, 1263326), (32, 631663), (233, 86752), (466, 43376), (932, 21688), (1864, 10844), (2711, 7456), (3728, 5422)]