20081390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7052

約数の個数: 32

約数和(自身を含む): 42323904

約数和(自身を除く): 22242514

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 6997, 13994, 34985, 48979, 69970, 97958, 244895, 286877, 489790, 573754, 1434385, 2008139, 2868770, 4016278, 10040695, 20081390]

約数ペア:

[(1, 20081390), (2, 10040695), (5, 4016278), (7, 2868770), (10, 2008139), (14, 1434385), (35, 573754), (41, 489790), (70, 286877), (82, 244895), (205, 97958), (287, 69970), (410, 48979), (574, 34985), (1435, 13994), (2870, 6997)]