20698106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 38737440

約数和(自身を除く): 18039334

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 169, 209, 247, 286, 293, 338, 418, 494, 586, 1859, 2717, 3211, 3223, 3718, 3809, 5434, 5567, 6422, 6446, 7618, 11134, 35321, 41899, 49517, 61237, 70642, 72371, 83798, 99034, 122474, 144742, 544687, 796081, 940823, 1089374, 1592162, 1881646, 10349053, 20698106]

約数ペア:

[(1, 20698106), (2, 10349053), (11, 1881646), (13, 1592162), (19, 1089374), (22, 940823), (26, 796081), (38, 544687), (143, 144742), (169, 122474), (209, 99034), (247, 83798), (286, 72371), (293, 70642), (338, 61237), (418, 49517), (494, 41899), (586, 35321), (1859, 11134), (2717, 7618), (3211, 6446), (3223, 6422), (3718, 5567), (3809, 5434)]