20776280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74201}}^1$

素因数の和:74219

約数の個数: 32

約数和(自身を含む): 53425440

約数和(自身を除く): 32649160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74201, 148402, 296804, 371005, 519407, 593608, 742010, 1038814, 1484020, 2077628, 2597035, 2968040, 4155256, 5194070, 10388140, 20776280]

約数ペア:

[(1, 20776280), (2, 10388140), (4, 5194070), (5, 4155256), (7, 2968040), (8, 2597035), (10, 2077628), (14, 1484020), (20, 1038814), (28, 742010), (35, 593608), (40, 519407), (56, 371005), (70, 296804), (140, 148402), (280, 74201)]