20761980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1181}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 58381344

約数和(自身を除く): 37619364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1172, 1181, 1465, 1758, 2362, 2930, 3516, 3543, 4395, 4724, 5860, 5905, 7086, 8790, 11810, 14172, 17580, 17715, 23620, 35430, 70860, 346033, 692066, 1038099, 1384132, 1730165, 2076198, 3460330, 4152396, 5190495, 6920660, 10380990, 20761980]

約数ペア:

[(1, 20761980), (2, 10380990), (3, 6920660), (4, 5190495), (5, 4152396), (6, 3460330), (10, 2076198), (12, 1730165), (15, 1384132), (20, 1038099), (30, 692066), (60, 346033), (293, 70860), (586, 35430), (879, 23620), (1172, 17715), (1181, 17580), (1465, 14172), (1758, 11810), (2362, 8790), (2930, 7086), (3516, 5905), (3543, 5860), (4395, 4724)]