20528080215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47190989}}^1$

素因数の和:47191026

約数の個数: 16

約数和(自身を含む): 33977512800

約数和(自身を除く): 13449432585

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47190989, 141572967, 235954945, 707864835, 1368538681, 4105616043, 6842693405, 20528080215]

約数ペア:

[(1, 20528080215), (3, 6842693405), (5, 4105616043), (15, 1368538681), (29, 707864835), (87, 235954945), (145, 141572967), (435, 47190989)]