20089902

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3013

約数の個数: 48

約数和(自身を含む): 48788352

約数和(自身を除く): 28698450

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 966, 1127, 2254, 2971, 3381, 5942, 6762, 8913, 17826, 20797, 41594, 62391, 68333, 124782, 136666, 145579, 204999, 291158, 409998, 436737, 478331, 873474, 956662, 1434993, 2869986, 3348317, 6696634, 10044951, 20089902]

約数ペア:

[(1, 20089902), (2, 10044951), (3, 6696634), (6, 3348317), (7, 2869986), (14, 1434993), (21, 956662), (23, 873474), (42, 478331), (46, 436737), (49, 409998), (69, 291158), (98, 204999), (138, 145579), (147, 136666), (161, 124782), (294, 68333), (322, 62391), (483, 41594), (966, 20797), (1127, 17826), (2254, 8913), (2971, 6762), (3381, 5942)]