20917296

素因数分解:

$2^4\times 3^2\times {\mathrm{145259}}^1$

素因数の和:145273

約数の個数: 30

約数和(自身を含む): 58539780

約数和(自身を除く): 37622484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145259, 290518, 435777, 581036, 871554, 1162072, 1307331, 1743108, 2324144, 2614662, 3486216, 5229324, 6972432, 10458648, 20917296]

約数ペア:

[(1, 20917296), (2, 10458648), (3, 6972432), (4, 5229324), (6, 3486216), (8, 2614662), (9, 2324144), (12, 1743108), (16, 1307331), (18, 1162072), (24, 871554), (36, 581036), (48, 435777), (72, 290518), (144, 145259)]