20639387025

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1030681}}^1$

素因数の和:1030786

約数の個数: 36

約数和(自身を含む): 37382836140

約数和(自身を除く): 16743449115

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 2225, 4005, 6675, 20025, 1030681, 3092043, 5153405, 9276129, 15460215, 25767025, 46380645, 77301075, 91730609, 231903225, 275191827, 458653045, 825575481, 1375959135, 2293265225, 4127877405, 6879795675, 20639387025]

約数ペア:

[(1, 20639387025), (3, 6879795675), (5, 4127877405), (9, 2293265225), (15, 1375959135), (25, 825575481), (45, 458653045), (75, 275191827), (89, 231903225), (225, 91730609), (267, 77301075), (445, 46380645), (801, 25767025), (1335, 15460215), (2225, 9276129), (4005, 5153405), (6675, 3092043), (20025, 1030681)]