20584892

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17807}}^1$

素因数の和:17845

約数の個数: 18

約数和(自身を含む): 38269392

約数和(自身を除く): 17684500

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17807, 35614, 71228, 302719, 605438, 1210876, 5146223, 10292446, 20584892]

約数ペア:

[(1, 20584892), (2, 10292446), (4, 5146223), (17, 1210876), (34, 605438), (68, 302719), (289, 71228), (578, 35614), (1156, 17807)]