20270028

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 48895616

約数和(自身を除く): 28625588

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 163, 172, 241, 258, 326, 482, 489, 516, 652, 723, 964, 978, 1446, 1956, 2892, 7009, 10363, 14018, 20726, 21027, 28036, 31089, 39283, 41452, 42054, 62178, 78566, 84108, 117849, 124356, 157132, 235698, 471396, 1689169, 3378338, 5067507, 6756676, 10135014, 20270028]

約数ペア:

[(1, 20270028), (2, 10135014), (3, 6756676), (4, 5067507), (6, 3378338), (12, 1689169), (43, 471396), (86, 235698), (129, 157132), (163, 124356), (172, 117849), (241, 84108), (258, 78566), (326, 62178), (482, 42054), (489, 41452), (516, 39283), (652, 31089), (723, 28036), (964, 21027), (978, 20726), (1446, 14018), (1956, 10363), (2892, 7009)]