20217369

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 28648512

約数和(自身を除く): 8431143

約数列:

[1, 3, 17, 51, 353, 1059, 1123, 3369, 6001, 18003, 19091, 57273, 396419, 1189257, 6739123, 20217369]

約数ペア:

[(1, 20217369), (3, 6739123), (17, 1189257), (51, 396419), (353, 57273), (1059, 19091), (1123, 18003), (3369, 6001)]