201073420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141601}}^1$

素因数の和:141681

約数の個数: 24

約数和(自身を含む): 428204448

約数和(自身を除く): 227131028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141601, 283202, 566404, 708005, 1416010, 2832020, 10053671, 20107342, 40214684, 50268355, 100536710, 201073420]

約数ペア:

[(1, 201073420), (2, 100536710), (4, 50268355), (5, 40214684), (10, 20107342), (20, 10053671), (71, 2832020), (142, 1416010), (284, 708005), (355, 566404), (710, 283202), (1420, 141601)]