20909895

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23627}}^1$

素因数の和:23694

約数の個数: 16

約数和(自身を含む): 34024320

約数和(自身を除く): 13114425

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23627, 70881, 118135, 354405, 1393993, 4181979, 6969965, 20909895]

約数ペア:

[(1, 20909895), (3, 6969965), (5, 4181979), (15, 1393993), (59, 354405), (177, 118135), (295, 70881), (885, 23627)]