20658230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 39704256

約数和(自身を除く): 19046026

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 887, 1370, 1774, 2329, 4435, 4658, 8870, 11645, 15079, 23290, 30158, 75395, 121519, 150790, 243038, 607595, 1215190, 2065823, 4131646, 10329115, 20658230]

約数ペア:

[(1, 20658230), (2, 10329115), (5, 4131646), (10, 2065823), (17, 1215190), (34, 607595), (85, 243038), (137, 150790), (170, 121519), (274, 75395), (685, 30158), (887, 23290), (1370, 15079), (1774, 11645), (2329, 8870), (4435, 4658)]