20571844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4219}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 17711996

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4219, 4876, 8438, 16876, 97037, 194074, 223607, 388148, 447214, 894428, 5142961, 10285922, 20571844]

約数ペア:

[(1, 20571844), (2, 10285922), (4, 5142961), (23, 894428), (46, 447214), (53, 388148), (92, 223607), (106, 194074), (212, 97037), (1219, 16876), (2438, 8438), (4219, 4876)]