17614420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21481}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 37894248

約数和(自身を除く): 20279828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21481, 42962, 85924, 107405, 214810, 429620, 880721, 1761442, 3522884, 4403605, 8807210, 17614420]

約数ペア:

[(1, 17614420), (2, 8807210), (4, 4403605), (5, 3522884), (10, 1761442), (20, 880721), (41, 429620), (82, 214810), (164, 107405), (205, 85924), (410, 42962), (820, 21481)]