20189607

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1289}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 28235520

約数和(自身を除く): 8045913

約数列:

[1, 3, 23, 69, 227, 681, 1289, 3867, 5221, 15663, 29647, 88941, 292603, 877809, 6729869, 20189607]

約数ペア:

[(1, 20189607), (3, 6729869), (23, 877809), (69, 292603), (227, 88941), (681, 29647), (1289, 15663), (3867, 5221)]