20587785

素因数分解:

$3^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1321}}^1$

素因数の和:2368

約数の個数: 16

約数和(自身を含む): 32997120

約数和(自身を除く): 12409335

約数列:

[1, 3, 5, 15, 1039, 1321, 3117, 3963, 5195, 6605, 15585, 19815, 1372519, 4117557, 6862595, 20587785]

約数ペア:

[(1, 20587785), (3, 6862595), (5, 4117557), (15, 1372519), (1039, 19815), (1321, 15585), (3117, 6605), (3963, 5195)]