20696358

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2652

約数の個数: 32

約数和(自身を含む): 44202240

約数和(自身を除く): 23505882

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2557, 2698, 4047, 5114, 7671, 8094, 15342, 48583, 97166, 145749, 181547, 291498, 363094, 544641, 1089282, 3449393, 6898786, 10348179, 20696358]

約数ペア:

[(1, 20696358), (2, 10348179), (3, 6898786), (6, 3449393), (19, 1089282), (38, 544641), (57, 363094), (71, 291498), (114, 181547), (142, 145749), (213, 97166), (426, 48583), (1349, 15342), (2557, 8094), (2698, 7671), (4047, 5114)]