20149074405

素因数分解:

$3^4\times 5^1\times {\mathrm{49750801}}^1$

素因数の和:49750818

約数の個数: 20

約数和(自身を含む): 36119082252

約数和(自身を除く): 15970007847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49750801, 149252403, 248754005, 447757209, 746262015, 1343271627, 2238786045, 4029814881, 6716358135, 20149074405]

約数ペア:

[(1, 20149074405), (3, 6716358135), (5, 4029814881), (9, 2238786045), (15, 1343271627), (27, 746262015), (45, 447757209), (81, 248754005), (135, 149252403), (405, 49750801)]