20101879

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23569920

約数和(自身を除く): 3468041

約数列:

[1, 7, 61, 179, 263, 427, 1253, 1841, 10919, 16043, 47077, 76433, 112301, 329539, 2871697, 20101879]

約数ペア:

[(1, 20101879), (7, 2871697), (61, 329539), (179, 112301), (263, 76433), (427, 47077), (1253, 16043), (1841, 10919)]