20853465

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47939}}^1$

素因数の和:47976

約数の個数: 16

約数和(自身を含む): 34516800

約数和(自身を除く): 13663335

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47939, 143817, 239695, 719085, 1390231, 4170693, 6951155, 20853465]

約数ペア:

[(1, 20853465), (3, 6951155), (5, 4170693), (15, 1390231), (29, 719085), (87, 239695), (145, 143817), (435, 47939)]