20768325

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4133}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 34857888

約数和(自身を除く): 14089563

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4133, 5025, 12399, 20665, 61995, 103325, 276911, 309975, 830733, 1384555, 4153665, 6922775, 20768325]

約数ペア:

[(1, 20768325), (3, 6922775), (5, 4153665), (15, 1384555), (25, 830733), (67, 309975), (75, 276911), (201, 103325), (335, 61995), (1005, 20665), (1675, 12399), (4133, 5025)]