20169405

素因数分解:

$3^4\times 5^1\times {\mathrm{49801}}^1$

素因数の和:49818

約数の個数: 20

約数和(自身を含む): 36156252

約数和(自身を除く): 15986847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49801, 149403, 249005, 448209, 747015, 1344627, 2241045, 4033881, 6723135, 20169405]

約数ペア:

[(1, 20169405), (3, 6723135), (5, 4033881), (9, 2241045), (15, 1344627), (27, 747015), (45, 448209), (81, 249005), (135, 149403), (405, 49801)]