20889410

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6311}}^1$

素因数の和:6649

約数の個数: 16

約数和(自身を含む): 37720512

約数和(自身を除く): 16831102

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6311, 12622, 31555, 63110, 2088941, 4177882, 10444705, 20889410]

約数ペア:

[(1, 20889410), (2, 10444705), (5, 4177882), (10, 2088941), (331, 63110), (662, 31555), (1655, 12622), (3310, 6311)]