20144295

素因数分解:

$3^4\times 5^1\times {\mathrm{49739}}^1$

素因数の和:49756

約数の個数: 20

約数和(自身を含む): 36111240

約数和(自身を除く): 15966945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49739, 149217, 248695, 447651, 746085, 1342953, 2238255, 4028859, 6714765, 20144295]

約数ペア:

[(1, 20144295), (3, 6714765), (5, 4028859), (9, 2238255), (15, 1342953), (27, 746085), (45, 447651), (81, 248695), (135, 149217), (405, 49739)]