20789868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5431}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 54754560

約数和(自身を除く): 33964692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5431, 10862, 16293, 21724, 32586, 59741, 65172, 119482, 157499, 179223, 238964, 314998, 358446, 472497, 629996, 716892, 944994, 1732489, 1889988, 3464978, 5197467, 6929956, 10394934, 20789868]

約数ペア:

[(1, 20789868), (2, 10394934), (3, 6929956), (4, 5197467), (6, 3464978), (11, 1889988), (12, 1732489), (22, 944994), (29, 716892), (33, 629996), (44, 472497), (58, 358446), (66, 314998), (87, 238964), (116, 179223), (132, 157499), (174, 119482), (319, 65172), (348, 59741), (638, 32586), (957, 21724), (1276, 16293), (1914, 10862), (3828, 5431)]