20551432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 42213600

約数和(自身を除く): 21662168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 571, 818, 1142, 1636, 2284, 3272, 4499, 4568, 6281, 8998, 12562, 17996, 25124, 35992, 50248, 233539, 467078, 934156, 1868312, 2568929, 5137858, 10275716, 20551432]

約数ペア:

[(1, 20551432), (2, 10275716), (4, 5137858), (8, 2568929), (11, 1868312), (22, 934156), (44, 467078), (88, 233539), (409, 50248), (571, 35992), (818, 25124), (1142, 17996), (1636, 12562), (2284, 8998), (3272, 6281), (4499, 4568)]