20883472

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21397}}^1$

素因数の和:21466

約数の個数: 20

約数和(自身を含む): 41126956

約数和(自身を除く): 20243484

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21397, 42794, 85588, 171176, 342352, 1305217, 2610434, 5220868, 10441736, 20883472]

約数ペア:

[(1, 20883472), (2, 10441736), (4, 5220868), (8, 2610434), (16, 1305217), (61, 342352), (122, 171176), (244, 85588), (488, 42794), (976, 21397)]