20579390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158303}}^1$

素因数の和:158323

約数の個数: 16

約数和(自身を含む): 39892608

約数和(自身を除く): 19313218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 158303, 316606, 791515, 1583030, 2057939, 4115878, 10289695, 20579390]

約数ペア:

[(1, 20579390), (2, 10289695), (5, 4115878), (10, 2057939), (13, 1583030), (26, 791515), (65, 316606), (130, 158303)]