20004595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13381}}^1$

素因数の和:13422

約数の個数: 16

約数和(自身を含む): 26978112

約数和(自身を除く): 6973517

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13381, 66905, 173953, 307763, 869765, 1538815, 4000919, 20004595]

約数ペア:

[(1, 20004595), (5, 4000919), (13, 1538815), (23, 869765), (65, 307763), (115, 173953), (299, 66905), (1495, 13381)]