20838512844

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{628499}}^1$

素因数の和:628819

約数の個数: 48

約数和(自身を含む): 54201840000

約数和(自身を除く): 33363327156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 921, 1228, 1842, 2763, 3684, 5526, 8289, 11052, 16578, 33156, 628499, 1256998, 1885497, 2513996, 3770994, 5656491, 7541988, 11312982, 16969473, 22625964, 33938946, 67877892, 192949193, 385898386, 578847579, 771796772, 1157695158, 1736542737, 2315390316, 3473085474, 5209628211, 6946170948, 10419256422, 20838512844]

約数ペア:

[(1, 20838512844), (2, 10419256422), (3, 6946170948), (4, 5209628211), (6, 3473085474), (9, 2315390316), (12, 1736542737), (18, 1157695158), (27, 771796772), (36, 578847579), (54, 385898386), (108, 192949193), (307, 67877892), (614, 33938946), (921, 22625964), (1228, 16969473), (1842, 11312982), (2763, 7541988), (3684, 5656491), (5526, 3770994), (8289, 2513996), (11052, 1885497), (16578, 1256998), (33156, 628499)]