20726238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6481}}^1$

素因数の和:6540

約数の個数: 32

約数和(自身を含む): 45736992

約数和(自身を除く): 25010754

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6481, 12962, 19443, 38886, 84253, 168506, 252759, 265721, 505518, 531442, 797163, 1594326, 3454373, 6908746, 10363119, 20726238]

約数ペア:

[(1, 20726238), (2, 10363119), (3, 6908746), (6, 3454373), (13, 1594326), (26, 797163), (39, 531442), (41, 505518), (78, 265721), (82, 252759), (123, 168506), (246, 84253), (533, 38886), (1066, 19443), (1599, 12962), (3198, 6481)]