20778891302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{627799}}^1$

素因数の和:627900

約数の個数: 32

約数和(自身を含む): 35859936000

約数和(自身を除く): 15081044698

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 871, 1273, 1742, 2546, 16549, 33098, 627799, 1255598, 8161387, 11928181, 16322774, 23856362, 42062533, 84125066, 155066353, 310132706, 546812929, 799188127, 1093625858, 1598376254, 10389445651, 20778891302]

約数ペア:

[(1, 20778891302), (2, 10389445651), (13, 1598376254), (19, 1093625858), (26, 799188127), (38, 546812929), (67, 310132706), (134, 155066353), (247, 84125066), (494, 42062533), (871, 23856362), (1273, 16322774), (1742, 11928181), (2546, 8161387), (16549, 1255598), (33098, 627799)]