20796915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47809}}^1$

素因数の和:47846

約数の個数: 16

約数和(自身を含む): 34423200

約数和(自身を除く): 13626285

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47809, 143427, 239045, 717135, 1386461, 4159383, 6932305, 20796915]

約数ペア:

[(1, 20796915), (3, 6932305), (5, 4159383), (15, 1386461), (29, 717135), (87, 239045), (145, 143427), (435, 47809)]