20315481342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260454889}}^1$

素因数の和:260454907

約数の個数: 16

約数和(自身を含む): 43756421520

約数和(自身を除く): 23440940178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260454889, 520909778, 781364667, 1562729334, 3385913557, 6771827114, 10157740671, 20315481342]

約数ペア:

[(1, 20315481342), (2, 10157740671), (3, 6771827114), (6, 3385913557), (13, 1562729334), (26, 781364667), (39, 520909778), (78, 260454889)]