20875472

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2293}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 40534980

約数和(自身を除く): 19659508

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 2293, 4552, 4586, 9104, 9172, 18344, 36688, 1304717, 2609434, 5218868, 10437736, 20875472]

約数ペア:

[(1, 20875472), (2, 10437736), (4, 5218868), (8, 2609434), (16, 1304717), (569, 36688), (1138, 18344), (2276, 9172), (2293, 9104), (4552, 4586)]