20433580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24919}}^1$

素因数の和:24969

約数の個数: 24

約数和(自身を含む): 43958880

約数和(自身を除く): 23525300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24919, 49838, 99676, 124595, 249190, 498380, 1021679, 2043358, 4086716, 5108395, 10216790, 20433580]

約数ペア:

[(1, 20433580), (2, 10216790), (4, 5108395), (5, 4086716), (10, 2043358), (20, 1021679), (41, 498380), (82, 249190), (164, 124595), (205, 99676), (410, 49838), (820, 24919)]