20382645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31601}}^1$

素因数の和:31652

約数の個数: 16

約数和(自身を含む): 33371712

約数和(自身を除く): 12989067

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31601, 94803, 158005, 474015, 1358843, 4076529, 6794215, 20382645]

約数ペア:

[(1, 20382645), (3, 6794215), (5, 4076529), (15, 1358843), (43, 474015), (129, 158005), (215, 94803), (645, 31601)]