20215772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{577}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 37385040

約数和(自身を除く): 17169268

約数列:

[1, 2, 4, 19, 38, 76, 461, 577, 922, 1154, 1844, 2308, 8759, 10963, 17518, 21926, 35036, 43852, 265997, 531994, 1063988, 5053943, 10107886, 20215772]

約数ペア:

[(1, 20215772), (2, 10107886), (4, 5053943), (19, 1063988), (38, 531994), (76, 265997), (461, 43852), (577, 35036), (922, 21926), (1154, 17518), (1844, 10963), (2308, 8759)]