20395418110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1\times {\mathrm{8629}}^1$

素因数の和:12036

約数の個数: 32

約数和(自身を含む): 37244318400

約数和(自身を除く): 16848900290

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3329, 6658, 8629, 16645, 17258, 33290, 43145, 86290, 236359, 472718, 612659, 1181795, 1225318, 2363590, 3063295, 6126590, 28725941, 57451882, 143629705, 287259410, 2039541811, 4079083622, 10197709055, 20395418110]

約数ペア:

[(1, 20395418110), (2, 10197709055), (5, 4079083622), (10, 2039541811), (71, 287259410), (142, 143629705), (355, 57451882), (710, 28725941), (3329, 6126590), (6658, 3063295), (8629, 2363590), (16645, 1225318), (17258, 1181795), (33290, 612659), (43145, 472718), (86290, 236359)]