12920612

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{11177}}^1$

素因数の和:11215

約数の個数: 18

約数和(自身を含む): 24021522

約数和(自身を除く): 11100910

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 11177, 22354, 44708, 190009, 380018, 760036, 3230153, 6460306, 12920612]

約数ペア:

[(1, 12920612), (2, 6460306), (4, 3230153), (17, 760036), (34, 380018), (68, 190009), (289, 44708), (578, 22354), (1156, 11177)]