20387234

素因数分解:

$2^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15727966

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 263, 343, 526, 686, 791, 1582, 1841, 3682, 5537, 11074, 12887, 25774, 29719, 38759, 59438, 77518, 90209, 180418, 208033, 416066, 1456231, 2912462, 10193617, 20387234]

約数ペア:

[(1, 20387234), (2, 10193617), (7, 2912462), (14, 1456231), (49, 416066), (98, 208033), (113, 180418), (226, 90209), (263, 77518), (343, 59438), (526, 38759), (686, 29719), (791, 25774), (1582, 12887), (1841, 11074), (3682, 5537)]