20172745918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1\times {\mathrm{9613}}^1$

素因数の和:11548

約数の個数: 32

約数和(自身を含む): 33365810016

約数和(自身を除く): 13193064098

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 1877, 3754, 9613, 19226, 24401, 48802, 80711, 124969, 161422, 249938, 413359, 826718, 1049243, 2098486, 5373667, 10747334, 18043601, 36087202, 234566813, 469133626, 775874843, 1551749686, 10086372959, 20172745918]

約数ペア:

[(1, 20172745918), (2, 10086372959), (13, 1551749686), (26, 775874843), (43, 469133626), (86, 234566813), (559, 36087202), (1118, 18043601), (1877, 10747334), (3754, 5373667), (9613, 2098486), (19226, 1049243), (24401, 826718), (48802, 413359), (80711, 249938), (124969, 161422)]