20187137916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1757849}}^1$

素因数の和:1757899

約数の個数: 72

約数和(自身を含む): 57587166000

約数和(自身を除く): 37400028084

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1914, 2871, 3828, 5742, 11484, 1757849, 3515698, 5273547, 7031396, 10547094, 15820641, 19336339, 21094188, 31641282, 38672678, 50977621, 58009017, 63282564, 77345356, 101955242, 116018034, 152932863, 174027051, 203910484, 232036068, 305865726, 348054102, 458798589, 560753831, 611731452, 696108204, 917597178, 1121507662, 1682261493, 1835194356, 2243015324, 3364522986, 5046784479, 6729045972, 10093568958, 20187137916]

約数ペア:

[(1, 20187137916), (2, 10093568958), (3, 6729045972), (4, 5046784479), (6, 3364522986), (9, 2243015324), (11, 1835194356), (12, 1682261493), (18, 1121507662), (22, 917597178), (29, 696108204), (33, 611731452), (36, 560753831), (44, 458798589), (58, 348054102), (66, 305865726), (87, 232036068), (99, 203910484), (116, 174027051), (132, 152932863), (174, 116018034), (198, 101955242), (261, 77345356), (319, 63282564), (348, 58009017), (396, 50977621), (522, 38672678), (638, 31641282), (957, 21094188), (1044, 19336339), (1276, 15820641), (1914, 10547094), (2871, 7031396), (3828, 5273547), (5742, 3515698), (11484, 1757849)]