20357142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8419}}^1$

素因数の和:8468

約数の個数: 32

約数和(自身を含む): 45265920

約数和(自身を除く): 24908778

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8419, 16838, 25257, 50514, 109447, 218894, 260989, 328341, 521978, 656682, 782967, 1565934, 3392857, 6785714, 10178571, 20357142]

約数ペア:

[(1, 20357142), (2, 10178571), (3, 6785714), (6, 3392857), (13, 1565934), (26, 782967), (31, 656682), (39, 521978), (62, 328341), (78, 260989), (93, 218894), (186, 109447), (403, 50514), (806, 25257), (1209, 16838), (2418, 8419)]