20468358

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 47239920

約数和(自身を除く): 26771562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 617, 873, 1234, 1746, 1843, 1851, 3686, 3702, 5529, 5553, 11058, 11106, 11723, 16587, 23446, 33174, 35169, 59849, 70338, 105507, 119698, 179547, 211014, 359094, 538641, 1077282, 1137131, 2274262, 3411393, 6822786, 10234179, 20468358]

約数ペア:

[(1, 20468358), (2, 10234179), (3, 6822786), (6, 3411393), (9, 2274262), (18, 1137131), (19, 1077282), (38, 538641), (57, 359094), (97, 211014), (114, 179547), (171, 119698), (194, 105507), (291, 70338), (342, 59849), (582, 35169), (617, 33174), (873, 23446), (1234, 16587), (1746, 11723), (1843, 11106), (1851, 11058), (3686, 5553), (3702, 5529)]