20159320135

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{23509}}^1$

素因数の和:23691

約数の個数: 32

約数和(自身を含む): 25593926400

約数和(自身を除く): 5434606265

約数列:

[1, 5, 41, 47, 89, 205, 235, 445, 1927, 3649, 4183, 9635, 18245, 20915, 23509, 117545, 171503, 857515, 963869, 1104923, 2092301, 4819345, 5524615, 10461505, 45301843, 85784341, 98338147, 226509215, 428921705, 491690735, 4031864027, 20159320135]

約数ペア:

[(1, 20159320135), (5, 4031864027), (41, 491690735), (47, 428921705), (89, 226509215), (205, 98338147), (235, 85784341), (445, 45301843), (1927, 10461505), (3649, 5524615), (4183, 4819345), (9635, 2092301), (18245, 1104923), (20915, 963869), (23509, 857515), (117545, 171503)]