20465416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5189}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 42039000

約数和(自身を除く): 21573584

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5189, 10378, 20756, 41512, 88213, 150481, 176426, 300962, 352852, 601924, 705704, 1203848, 2558177, 5116354, 10232708, 20465416]

約数ペア:

[(1, 20465416), (2, 10232708), (4, 5116354), (8, 2558177), (17, 1203848), (29, 705704), (34, 601924), (58, 352852), (68, 300962), (116, 176426), (136, 150481), (232, 88213), (493, 41512), (986, 20756), (1972, 10378), (3944, 5189)]