20947072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5324

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 22137728

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5279, 10558, 21116, 42232, 84464, 163649, 168928, 327298, 337856, 654596, 675712, 1309192, 2618384, 5236768, 10473536, 20947072]

約数ペア:

[(1, 20947072), (2, 10473536), (4, 5236768), (8, 2618384), (16, 1309192), (31, 675712), (32, 654596), (62, 337856), (64, 327298), (124, 168928), (128, 163649), (248, 84464), (496, 42232), (992, 21116), (1984, 10558), (3968, 5279)]