20378565915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1\times {\mathrm{22571}}^1$

素因数の和:25219

約数の個数: 32

約数和(自身を含む): 34037853696

約数和(自身を除く): 13659287781

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 2617, 7851, 13085, 22571, 39255, 60191, 67713, 112855, 180573, 300955, 338565, 519133, 902865, 1557399, 2595665, 7786995, 59068307, 177204921, 295341535, 886024605, 1358571061, 4075713183, 6792855305, 20378565915]

約数ペア:

[(1, 20378565915), (3, 6792855305), (5, 4075713183), (15, 1358571061), (23, 886024605), (69, 295341535), (115, 177204921), (345, 59068307), (2617, 7786995), (7851, 2595665), (13085, 1557399), (22571, 902865), (39255, 519133), (60191, 338565), (67713, 300955), (112855, 180573)]