203217620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{143111}}^1$

素因数の和:143191

約数の個数: 24

約数和(自身を含む): 432770688

約数和(自身を除く): 229553068

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 143111, 286222, 572444, 715555, 1431110, 2862220, 10160881, 20321762, 40643524, 50804405, 101608810, 203217620]

約数ペア:

[(1, 203217620), (2, 101608810), (4, 50804405), (5, 40643524), (10, 20321762), (20, 10160881), (71, 2862220), (142, 1431110), (284, 715555), (355, 572444), (710, 286222), (1420, 143111)]