20331920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36307}}^1$

素因数の和:36327

約数の個数: 40

約数和(自身を含む): 54026304

約数和(自身を除く): 33694384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36307, 72614, 145228, 181535, 254149, 290456, 363070, 508298, 580912, 726140, 1016596, 1270745, 1452280, 2033192, 2541490, 2904560, 4066384, 5082980, 10165960, 20331920]

約数ペア:

[(1, 20331920), (2, 10165960), (4, 5082980), (5, 4066384), (7, 2904560), (8, 2541490), (10, 2033192), (14, 1452280), (16, 1270745), (20, 1016596), (28, 726140), (35, 580912), (40, 508298), (56, 363070), (70, 290456), (80, 254149), (112, 181535), (140, 145228), (280, 72614), (560, 36307)]