20880456

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20233}}^1$

素因数の和:20285

約数の個数: 32

約数和(自身を含む): 53417760

約数和(自身を除く): 32537304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20233, 40466, 60699, 80932, 121398, 161864, 242796, 485592, 870019, 1740038, 2610057, 3480076, 5220114, 6960152, 10440228, 20880456]

約数ペア:

[(1, 20880456), (2, 10440228), (3, 6960152), (4, 5220114), (6, 3480076), (8, 2610057), (12, 1740038), (24, 870019), (43, 485592), (86, 242796), (129, 161864), (172, 121398), (258, 80932), (344, 60699), (516, 40466), (1032, 20233)]