20889838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2683}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 33335280

約数和(自身を除く): 12445442

約数列:

[1, 2, 17, 34, 229, 458, 2683, 3893, 5366, 7786, 45611, 91222, 614407, 1228814, 10444919, 20889838]

約数ペア:

[(1, 20889838), (2, 10444919), (17, 1228814), (34, 614407), (229, 91222), (458, 45611), (2683, 7786), (3893, 5366)]