20889776

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22129}}^1$

素因数の和:22196

約数の個数: 20

約数和(自身を含む): 41161800

約数和(自身を除く): 20272024

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22129, 44258, 88516, 177032, 354064, 1305611, 2611222, 5222444, 10444888, 20889776]

約数ペア:

[(1, 20889776), (2, 10444888), (4, 5222444), (8, 2611222), (16, 1305611), (59, 354064), (118, 177032), (236, 88516), (472, 44258), (944, 22129)]