20741514

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21715446

約数列:

[1, 2, 3, 6, 71, 142, 181, 213, 269, 362, 426, 538, 543, 807, 1086, 1614, 12851, 19099, 25702, 38198, 38553, 48689, 57297, 77106, 97378, 114594, 146067, 292134, 3456919, 6913838, 10370757, 20741514]

約数ペア:

[(1, 20741514), (2, 10370757), (3, 6913838), (6, 3456919), (71, 292134), (142, 146067), (181, 114594), (213, 97378), (269, 77106), (362, 57297), (426, 48689), (538, 38553), (543, 38198), (807, 25702), (1086, 19099), (1614, 12851)]