20123621883

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{407501}}^1$

素因数の和:407600

約数の個数: 32

約数和(自身を含む): 31296153600

約数和(自身を除く): 11172531717

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 837, 1593, 1829, 5487, 16461, 49383, 407501, 1222503, 3667509, 11002527, 12632531, 24042559, 37897593, 72127677, 113692779, 216383031, 341078337, 649149093, 745319329, 2235957987, 6707873961, 20123621883]

約数ペア:

[(1, 20123621883), (3, 6707873961), (9, 2235957987), (27, 745319329), (31, 649149093), (59, 341078337), (93, 216383031), (177, 113692779), (279, 72127677), (531, 37897593), (837, 24042559), (1593, 12632531), (1829, 11002527), (5487, 3667509), (16461, 1222503), (49383, 407501)]