20783684

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 37264920

約数和(自身を除く): 16481236

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 653, 1306, 2612, 7957, 15914, 31828, 47669, 71177, 95338, 142354, 190676, 284708, 5195921, 10391842, 20783684]

約数ペア:

[(1, 20783684), (2, 10391842), (4, 5195921), (73, 284708), (109, 190676), (146, 142354), (218, 95338), (292, 71177), (436, 47669), (653, 31828), (1306, 15914), (2612, 7957)]