20203412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17477}}^1$

素因数の和:17515

約数の個数: 18

約数和(自身を含む): 37560222

約数和(自身を除く): 17356810

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17477, 34954, 69908, 297109, 594218, 1188436, 5050853, 10101706, 20203412]

約数ペア:

[(1, 20203412), (2, 10101706), (4, 5050853), (17, 1188436), (34, 594218), (68, 297109), (289, 69908), (578, 34954), (1156, 17477)]