20661620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147583}}^1$

素因数の和:147599

約数の個数: 24

約数和(自身を含む): 49588224

約数和(自身を除く): 28926604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147583, 295166, 590332, 737915, 1033081, 1475830, 2066162, 2951660, 4132324, 5165405, 10330810, 20661620]

約数ペア:

[(1, 20661620), (2, 10330810), (4, 5165405), (5, 4132324), (7, 2951660), (10, 2066162), (14, 1475830), (20, 1033081), (28, 737915), (35, 590332), (70, 295166), (140, 147583)]