20614209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 13890495

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 233, 383, 699, 1149, 1631, 2563, 2681, 4213, 4893, 7689, 8043, 12639, 17941, 29491, 53823, 88473, 89239, 267717, 624673, 981629, 1874019, 2944887, 6871403, 20614209]

約数ペア:

[(1, 20614209), (3, 6871403), (7, 2944887), (11, 1874019), (21, 981629), (33, 624673), (77, 267717), (231, 89239), (233, 88473), (383, 53823), (699, 29491), (1149, 17941), (1631, 12639), (2563, 8043), (2681, 7689), (4213, 4893)]