20008221491

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{4129}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 22185038400

約数和(自身を除く): 2176816909

約数列:

[1, 19, 37, 61, 113, 703, 1159, 2147, 2257, 4129, 4181, 6893, 42883, 78451, 79439, 130967, 152773, 251869, 255041, 466577, 2902687, 4785511, 4845779, 8864963, 9319153, 17263349, 28461197, 177063907, 328003631, 540762743, 1053064289, 20008221491]

約数ペア:

[(1, 20008221491), (19, 1053064289), (37, 540762743), (61, 328003631), (113, 177063907), (703, 28461197), (1159, 17263349), (2147, 9319153), (2257, 8864963), (4129, 4845779), (4181, 4785511), (6893, 2902687), (42883, 466577), (78451, 255041), (79439, 251869), (130967, 152773)]