20202010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 17682662

約数列:

[1, 2, 5, 10, 47, 53, 94, 106, 235, 265, 470, 530, 811, 1622, 2491, 4055, 4982, 8110, 12455, 24910, 38117, 42983, 76234, 85966, 190585, 214915, 381170, 429830, 2020201, 4040402, 10101005, 20202010]

約数ペア:

[(1, 20202010), (2, 10101005), (5, 4040402), (10, 2020201), (47, 429830), (53, 381170), (94, 214915), (106, 190585), (235, 85966), (265, 76234), (470, 42983), (530, 38117), (811, 24910), (1622, 12455), (2491, 8110), (4055, 4982)]