20108715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 35859456

約数和(自身を除く): 15750741

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 2593, 7755, 7779, 12965, 28523, 38895, 85569, 121871, 142615, 365613, 427845, 609355, 1340581, 1828065, 4021743, 6702905, 20108715]

約数ペア:

[(1, 20108715), (3, 6702905), (5, 4021743), (11, 1828065), (15, 1340581), (33, 609355), (47, 427845), (55, 365613), (141, 142615), (165, 121871), (235, 85569), (517, 38895), (705, 28523), (1551, 12965), (2585, 7779), (2593, 7755)]