20157608438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1\times {\mathrm{5119}}^1$

素因数の和:7724

約数の個数: 32

約数和(自身を含む): 33469562880

約数和(自身を除く): 13311954442

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 2521, 5042, 5119, 10238, 27731, 55462, 56309, 112618, 178991, 357982, 363449, 726898, 1968901, 3937802, 3997939, 7995878, 12904999, 25809998, 141954989, 283909978, 916254929, 1832509858, 10078804219, 20157608438]

約数ペア:

[(1, 20157608438), (2, 10078804219), (11, 1832509858), (22, 916254929), (71, 283909978), (142, 141954989), (781, 25809998), (1562, 12904999), (2521, 7995878), (5042, 3997939), (5119, 3937802), (10238, 1968901), (27731, 726898), (55462, 363449), (56309, 357982), (112618, 178991)]