20809542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{619}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24187578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 619, 862, 1238, 1293, 1857, 2586, 3714, 5603, 8047, 11206, 16094, 16809, 24141, 33618, 48282, 266789, 533578, 800367, 1600734, 3468257, 6936514, 10404771, 20809542]

約数ペア:

[(1, 20809542), (2, 10404771), (3, 6936514), (6, 3468257), (13, 1600734), (26, 800367), (39, 533578), (78, 266789), (431, 48282), (619, 33618), (862, 24141), (1238, 16809), (1293, 16094), (1857, 11206), (2586, 8047), (3714, 5603)]