20347730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156521}}^1$

素因数の和:156541

約数の個数: 16

約数和(自身を含む): 39443544

約数和(自身を除く): 19095814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156521, 313042, 782605, 1565210, 2034773, 4069546, 10173865, 20347730]

約数ペア:

[(1, 20347730), (2, 10173865), (5, 4069546), (10, 2034773), (13, 1565210), (26, 782605), (65, 313042), (130, 156521)]