20127932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21240388

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 142, 187, 284, 374, 379, 748, 758, 781, 1207, 1516, 1562, 2414, 3124, 4169, 4828, 6443, 8338, 12886, 13277, 16676, 25772, 26554, 26909, 53108, 53818, 70873, 107636, 141746, 283492, 295999, 457453, 591998, 914906, 1183996, 1829812, 5031983, 10063966, 20127932]

約数ペア:

[(1, 20127932), (2, 10063966), (4, 5031983), (11, 1829812), (17, 1183996), (22, 914906), (34, 591998), (44, 457453), (68, 295999), (71, 283492), (142, 141746), (187, 107636), (284, 70873), (374, 53818), (379, 53108), (748, 26909), (758, 26554), (781, 25772), (1207, 16676), (1516, 13277), (1562, 12886), (2414, 8338), (3124, 6443), (4169, 4828)]