20123718

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 41302656

約数和(自身を除く): 21178938

約数列:

[1, 2, 3, 6, 67, 113, 134, 201, 226, 339, 402, 443, 678, 886, 1329, 2658, 7571, 15142, 22713, 29681, 45426, 50059, 59362, 89043, 100118, 150177, 178086, 300354, 3353953, 6707906, 10061859, 20123718]

約数ペア:

[(1, 20123718), (2, 10061859), (3, 6707906), (6, 3353953), (67, 300354), (113, 178086), (134, 150177), (201, 100118), (226, 89043), (339, 59362), (402, 50059), (443, 45426), (678, 29681), (886, 22713), (1329, 15142), (2658, 7571)]