20857968

素因数分解:

$2^4\times 3^2\times {\mathrm{144847}}^1$

素因数の和:144861

約数の個数: 30

約数和(自身を含む): 58373744

約数和(自身を除く): 37515776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144847, 289694, 434541, 579388, 869082, 1158776, 1303623, 1738164, 2317552, 2607246, 3476328, 5214492, 6952656, 10428984, 20857968]

約数ペア:

[(1, 20857968), (2, 10428984), (3, 6952656), (4, 5214492), (6, 3476328), (8, 2607246), (9, 2317552), (12, 1738164), (16, 1303623), (18, 1158776), (24, 869082), (36, 579388), (48, 434541), (72, 289694), (144, 144847)]