20123143390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15130183}}^1$

素因数の和:15130216

約数の個数: 32

約数和(自身を含む): 43574929920

約数和(自身を除く): 23451786530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15130183, 30260366, 75650915, 105911281, 151301830, 211822562, 287473477, 529556405, 574946954, 1059112810, 1437367385, 2012314339, 2874734770, 4024628678, 10061571695, 20123143390]

約数ペア:

[(1, 20123143390), (2, 10061571695), (5, 4024628678), (7, 2874734770), (10, 2012314339), (14, 1437367385), (19, 1059112810), (35, 574946954), (38, 529556405), (70, 287473477), (95, 211822562), (133, 151301830), (190, 105911281), (266, 75650915), (665, 30260366), (1330, 15130183)]