201939620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142211}}^1$

素因数の和:142291

約数の個数: 24

約数和(自身を含む): 430049088

約数和(自身を除く): 228109468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142211, 284422, 568844, 711055, 1422110, 2844220, 10096981, 20193962, 40387924, 50484905, 100969810, 201939620]

約数ペア:

[(1, 201939620), (2, 100969810), (4, 50484905), (5, 40387924), (10, 20193962), (20, 10096981), (71, 2844220), (142, 1422110), (284, 711055), (355, 568844), (710, 284422), (1420, 142211)]