20377509

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12940

約数の個数: 16

約数和(自身を含む): 29698560

約数和(自身を除く): 9321051

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12889, 38667, 219113, 399559, 657339, 1198677, 6792503, 20377509]

約数ペア:

[(1, 20377509), (3, 6792503), (17, 1198677), (31, 657339), (51, 399559), (93, 219113), (527, 38667), (1581, 12889)]