20886982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 34502112

約数和(自身を除く): 13615130

約数列:

[1, 2, 17, 34, 53, 67, 106, 134, 173, 346, 901, 1139, 1802, 2278, 2941, 3551, 5882, 7102, 9169, 11591, 18338, 23182, 60367, 120734, 155873, 197047, 311746, 394094, 614323, 1228646, 10443491, 20886982]

約数ペア:

[(1, 20886982), (2, 10443491), (17, 1228646), (34, 614323), (53, 394094), (67, 311746), (106, 197047), (134, 155873), (173, 120734), (346, 60367), (901, 23182), (1139, 18338), (1802, 11591), (2278, 9169), (2941, 7102), (3551, 5882)]