20217744

素因数分解:

$2^4\times 3^2\times {\mathrm{140401}}^1$

素因数の和:140415

約数の個数: 30

約数和(自身を含む): 56582006

約数和(自身を除く): 36364262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140401, 280802, 421203, 561604, 842406, 1123208, 1263609, 1684812, 2246416, 2527218, 3369624, 5054436, 6739248, 10108872, 20217744]

約数ペア:

[(1, 20217744), (2, 10108872), (3, 6739248), (4, 5054436), (6, 3369624), (8, 2527218), (9, 2246416), (12, 1684812), (16, 1263609), (18, 1123208), (24, 842406), (36, 561604), (48, 421203), (72, 280802), (144, 140401)]