20903742

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31387}}^1$

素因数の和:31432

約数の個数: 24

約数和(自身を含む): 46517016

約数和(自身を除く): 25613274

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31387, 62774, 94161, 188322, 282483, 564966, 1161319, 2322638, 3483957, 6967914, 10451871, 20903742]

約数ペア:

[(1, 20903742), (2, 10451871), (3, 6967914), (6, 3483957), (9, 2322638), (18, 1161319), (37, 564966), (74, 282483), (111, 188322), (222, 94161), (333, 62774), (666, 31387)]