20268172

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 16624628

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1097, 2194, 4388, 4619, 9238, 18476, 34007, 68014, 136028, 163453, 326906, 653812, 5067043, 10134086, 20268172]

約数ペア:

[(1, 20268172), (2, 10134086), (4, 5067043), (31, 653812), (62, 326906), (124, 163453), (149, 136028), (298, 68014), (596, 34007), (1097, 18476), (2194, 9238), (4388, 4619)]