20889055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2549}}^1$

素因数の和:2714

約数の個数: 16

約数和(自身を含む): 27540000

約数和(自身を除く): 6650945

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2549, 8195, 12745, 28039, 140195, 379801, 1899005, 4177811, 20889055]

約数ペア:

[(1, 20889055), (5, 4177811), (11, 1899005), (55, 379801), (149, 140195), (745, 28039), (1639, 12745), (2549, 8195)]