20197802290

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8820001}}^1$

素因数の和:8820237

約数の個数: 16

約数和(自身を含む): 36514808280

約数和(自身を除く): 16317005990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8820001, 17640002, 44100005, 88200010, 2019780229, 4039560458, 10098901145, 20197802290]

約数ペア:

[(1, 20197802290), (2, 10098901145), (5, 4039560458), (10, 2019780229), (229, 88200010), (458, 44100005), (1145, 17640002), (2290, 8820001)]