20117331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 31544240

約数和(自身を除く): 11426909

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1237, 1251, 1807, 3711, 5421, 11133, 16081, 16263, 48243, 144729, 171943, 515829, 1547487, 2235259, 6705777, 20117331]

約数ペア:

[(1, 20117331), (3, 6705777), (9, 2235259), (13, 1547487), (39, 515829), (117, 171943), (139, 144729), (417, 48243), (1237, 16263), (1251, 16081), (1807, 11133), (3711, 5421)]