20248878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11287}}^1$

素因数の和:11328

約数の個数: 32

約数和(自身を含む): 45513216

約数和(自身を除く): 25264338

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11287, 22574, 33861, 67722, 146731, 259601, 293462, 440193, 519202, 778803, 880386, 1557606, 3374813, 6749626, 10124439, 20248878]

約数ペア:

[(1, 20248878), (2, 10124439), (3, 6749626), (6, 3374813), (13, 1557606), (23, 880386), (26, 778803), (39, 519202), (46, 440193), (69, 293462), (78, 259601), (138, 146731), (299, 67722), (598, 33861), (897, 22574), (1794, 11287)]