2020123460

素因数分解:

$2^2\times 5^1\times {\mathrm{23003}}^1\times {\mathrm{4391}}^1$

素因数の和:27403

約数の個数: 24

約数和(自身を含む): 4243409856

約数和(自身を除く): 2223286396

約数列:

[1, 2, 4, 5, 10, 20, 4391, 8782, 17564, 21955, 23003, 43910, 46006, 87820, 92012, 115015, 230030, 460060, 101006173, 202012346, 404024692, 505030865, 1010061730, 2020123460]

約数ペア:

[(1, 2020123460), (2, 1010061730), (4, 505030865), (5, 404024692), (10, 202012346), (20, 101006173), (4391, 460060), (8782, 230030), (17564, 115015), (21955, 92012), (23003, 87820), (43910, 46006)]