20163735

素因数分解:

$3^4\times 5^1\times {\mathrm{49787}}^1$

素因数の和:49804

約数の個数: 20

約数和(自身を含む): 36146088

約数和(自身を除く): 15982353

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49787, 149361, 248935, 448083, 746805, 1344249, 2240415, 4032747, 6721245, 20163735]

約数ペア:

[(1, 20163735), (3, 6721245), (5, 4032747), (9, 2240415), (15, 1344249), (27, 746805), (45, 448083), (81, 248935), (135, 149361), (405, 49787)]