20156905438

素因数分解:

$2^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1\times {\mathrm{73553}}^1$

素因数の和:74339

約数の個数: 16

約数和(自身を含む): 30408988896

約数和(自身を除く): 10252083458

約数列:

[1, 2, 263, 521, 526, 1042, 73553, 137023, 147106, 274046, 19344439, 38321113, 38688878, 76642226, 10078452719, 20156905438]

約数ペア:

[(1, 20156905438), (2, 10078452719), (263, 76642226), (521, 38688878), (526, 38321113), (1042, 19344439), (73553, 274046), (137023, 147106)]