20651526

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163901}}^1$

素因数の和:163916

約数の個数: 24

約数和(自身を含む): 51137424

約数和(自身を除く): 30485898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163901, 327802, 491703, 983406, 1147307, 1475109, 2294614, 2950218, 3441921, 6883842, 10325763, 20651526]

約数ペア:

[(1, 20651526), (2, 10325763), (3, 6883842), (6, 3441921), (7, 2950218), (9, 2294614), (14, 1475109), (18, 1147307), (21, 983406), (42, 491703), (63, 327802), (126, 163901)]