20263220

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1429}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 42642600

約数和(自身を除く): 22379380

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 1429, 2836, 2858, 3545, 5716, 7090, 7145, 14180, 14290, 28580, 1013161, 2026322, 4052644, 5065805, 10131610, 20263220]

約数ペア:

[(1, 20263220), (2, 10131610), (4, 5065805), (5, 4052644), (10, 2026322), (20, 1013161), (709, 28580), (1418, 14290), (1429, 14180), (2836, 7145), (2858, 7090), (3545, 5716)]