20889752

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15451}}^1$

素因数の和:15483

約数の個数: 24

約数和(自身を含む): 42415740

約数和(自身を除く): 21525988

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15451, 30902, 61804, 123608, 200863, 401726, 803452, 1606904, 2611219, 5222438, 10444876, 20889752]

約数ペア:

[(1, 20889752), (2, 10444876), (4, 5222438), (8, 2611219), (13, 1606904), (26, 803452), (52, 401726), (104, 200863), (169, 123608), (338, 61804), (676, 30902), (1352, 15451)]