12920095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 16410240

約数和(自身を除く): 3490145

約数列:

[1, 5, 19, 95, 307, 443, 1535, 2215, 5833, 8417, 29165, 42085, 136001, 680005, 2584019, 12920095]

約数ペア:

[(1, 12920095), (5, 2584019), (19, 680005), (95, 136001), (307, 42085), (443, 29165), (1535, 8417), (2215, 5833)]