20881472

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3931}}^1$

素因数の和:4026

約数の個数: 28

約数和(自身を含む): 41946576

約数和(自身を除く): 21065104

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3931, 5312, 7862, 15724, 31448, 62896, 125792, 251584, 326273, 652546, 1305092, 2610184, 5220368, 10440736, 20881472]

約数ペア:

[(1, 20881472), (2, 10440736), (4, 5220368), (8, 2610184), (16, 1305092), (32, 652546), (64, 326273), (83, 251584), (166, 125792), (332, 62896), (664, 31448), (1328, 15724), (2656, 7862), (3931, 5312)]