20714655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5591}}^1$

素因数の和:5631

約数の個数: 32

約数和(自身を含む): 37578240

約数和(自身を除く): 16863585

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5591, 16773, 27955, 72683, 83865, 106229, 218049, 318687, 363415, 531145, 1090245, 1380977, 1593435, 4142931, 6904885, 20714655]

約数ペア:

[(1, 20714655), (3, 6904885), (5, 4142931), (13, 1593435), (15, 1380977), (19, 1090245), (39, 531145), (57, 363415), (65, 318687), (95, 218049), (195, 106229), (247, 83865), (285, 72683), (741, 27955), (1235, 16773), (3705, 5591)]