20123809853

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{3571}}^1\times {\mathrm{6053}}^1$

素因数の和:9657

約数の個数: 24

約数和(自身を含む): 24652372320

約数和(自身を除く): 4528562467

約数列:

[1, 7, 19, 49, 133, 931, 3571, 6053, 24997, 42371, 67849, 115007, 174979, 296597, 474943, 805049, 3324601, 5635343, 21615263, 151306841, 410689997, 1059147887, 2874829979, 20123809853]

約数ペア:

[(1, 20123809853), (7, 2874829979), (19, 1059147887), (49, 410689997), (133, 151306841), (931, 21615263), (3571, 5635343), (6053, 3324601), (24997, 805049), (42371, 474943), (67849, 296597), (115007, 174979)]