20950708

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 37484552

約数和(自身を除く): 16533844

約数列:

[1, 2, 4, 73, 146, 157, 292, 314, 457, 628, 914, 1828, 11461, 22922, 33361, 45844, 66722, 71749, 133444, 143498, 286996, 5237677, 10475354, 20950708]

約数ペア:

[(1, 20950708), (2, 10475354), (4, 5237677), (73, 286996), (146, 143498), (157, 133444), (292, 71749), (314, 66722), (457, 45844), (628, 33361), (914, 22922), (1828, 11461)]