20909388

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102497}}^1$

素因数の和:102521

約数の個数: 24

約数和(自身を含む): 51658992

約数和(自身を除く): 30749604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102497, 204994, 307491, 409988, 614982, 1229964, 1742449, 3484898, 5227347, 6969796, 10454694, 20909388]

約数ペア:

[(1, 20909388), (2, 10454694), (3, 6969796), (4, 5227347), (6, 3484898), (12, 1742449), (17, 1229964), (34, 614982), (51, 409988), (68, 307491), (102, 204994), (204, 102497)]