20835465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 38735616

約数和(自身を除く): 17900151

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3253, 6405, 9759, 16265, 22771, 48795, 68313, 113855, 198433, 341565, 595299, 992165, 1389031, 2976495, 4167093, 6945155, 20835465]

約数ペア:

[(1, 20835465), (3, 6945155), (5, 4167093), (7, 2976495), (15, 1389031), (21, 992165), (35, 595299), (61, 341565), (105, 198433), (183, 113855), (305, 68313), (427, 48795), (915, 22771), (1281, 16265), (2135, 9759), (3253, 6405)]