20652505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3821}}^1$

素因数の和:3896

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 5765159

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3821, 5405, 19105, 87883, 179587, 439415, 897935, 4130501, 20652505]

約数ペア:

[(1, 20652505), (5, 4130501), (23, 897935), (47, 439415), (115, 179587), (235, 87883), (1081, 19105), (3821, 5405)]