20186791

素因数分解:

${\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1240409

約数列:

[1, 59, 61, 71, 79, 3599, 4189, 4331, 4661, 4819, 5609, 255529, 284321, 330931, 342149, 20186791]

約数ペア:

[(1, 20186791), (59, 342149), (61, 330931), (71, 284321), (79, 255529), (3599, 5609), (4189, 4819), (4331, 4661)]