20711664

素因数分解:

$2^4\times 3^2\times {\mathrm{143831}}^1$

素因数の和:143845

約数の個数: 30

約数和(自身を含む): 57964296

約数和(自身を除く): 37252632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143831, 287662, 431493, 575324, 862986, 1150648, 1294479, 1725972, 2301296, 2588958, 3451944, 5177916, 6903888, 10355832, 20711664]

約数ペア:

[(1, 20711664), (2, 10355832), (3, 6903888), (4, 5177916), (6, 3451944), (8, 2588958), (9, 2301296), (12, 1725972), (16, 1294479), (18, 1150648), (24, 862986), (36, 575324), (48, 431493), (72, 287662), (144, 143831)]