20539554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8017}}^1$

素因数の和:8090

約数の個数: 32

約数和(自身を含む): 47723136

約数和(自身を除く): 27183582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8017, 16034, 24051, 48102, 56119, 112238, 168357, 336714, 489037, 978074, 1467111, 2934222, 3423259, 6846518, 10269777, 20539554]

約数ペア:

[(1, 20539554), (2, 10269777), (3, 6846518), (6, 3423259), (7, 2934222), (14, 1467111), (21, 978074), (42, 489037), (61, 336714), (122, 168357), (183, 112238), (366, 56119), (427, 48102), (854, 24051), (1281, 16034), (2562, 8017)]