20915206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27739}}^1$

素因数の和:27783

約数の個数: 16

約数和(自身を含む): 34952400

約数和(自身を除く): 14037194

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27739, 55478, 360607, 721214, 804431, 1608862, 10457603, 20915206]

約数ペア:

[(1, 20915206), (2, 10457603), (13, 1608862), (26, 804431), (29, 721214), (58, 360607), (377, 55478), (754, 27739)]