20289996

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18181}}^1$

素因数の和:18222

約数の個数: 36

約数和(自身を含む): 52945984

約数和(自身を除く): 32655988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18181, 36362, 54543, 72724, 109086, 163629, 218172, 327258, 563611, 654516, 1127222, 1690833, 2254444, 3381666, 5072499, 6763332, 10144998, 20289996]

約数ペア:

[(1, 20289996), (2, 10144998), (3, 6763332), (4, 5072499), (6, 3381666), (9, 2254444), (12, 1690833), (18, 1127222), (31, 654516), (36, 563611), (62, 327258), (93, 218172), (124, 163629), (186, 109086), (279, 72724), (372, 54543), (558, 36362), (1116, 18181)]