20904528

素因数分解:

$2^4\times 3^1\times {\mathrm{269}}^1\times {\mathrm{1619}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 54237600

約数和(自身を除く): 33333072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 269, 538, 807, 1076, 1614, 1619, 2152, 3228, 3238, 4304, 4857, 6456, 6476, 9714, 12912, 12952, 19428, 25904, 38856, 77712, 435511, 871022, 1306533, 1742044, 2613066, 3484088, 5226132, 6968176, 10452264, 20904528]

約数ペア:

[(1, 20904528), (2, 10452264), (3, 6968176), (4, 5226132), (6, 3484088), (8, 2613066), (12, 1742044), (16, 1306533), (24, 871022), (48, 435511), (269, 77712), (538, 38856), (807, 25904), (1076, 19428), (1614, 12952), (1619, 12912), (2152, 9714), (3228, 6476), (3238, 6456), (4304, 4857)]