20091759

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5261}}^1$

素因数の和:5350

約数の個数: 16

約数和(自身を含む): 28625280

約数和(自身を除く): 8533521

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5261, 15783, 99959, 299877, 352487, 1057461, 6697253, 20091759]

約数ペア:

[(1, 20091759), (3, 6697253), (19, 1057461), (57, 352487), (67, 299877), (201, 99959), (1273, 15783), (3819, 5261)]