20449908

素因数分解:

$2^2\times 3^6\times {\mathrm{7013}}^1$

素因数の和:7035

約数の個数: 42

約数和(自身を含む): 53664114

約数和(自身を除く): 33214206

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7013, 14026, 21039, 28052, 42078, 63117, 84156, 126234, 189351, 252468, 378702, 568053, 757404, 1136106, 1704159, 2272212, 3408318, 5112477, 6816636, 10224954, 20449908]

約数ペア:

[(1, 20449908), (2, 10224954), (3, 6816636), (4, 5112477), (6, 3408318), (9, 2272212), (12, 1704159), (18, 1136106), (27, 757404), (36, 568053), (54, 378702), (81, 252468), (108, 189351), (162, 126234), (243, 84156), (324, 63117), (486, 42078), (729, 28052), (972, 21039), (1458, 14026), (2916, 7013)]