20972946

素因数分解:

$2^1\times 3^1\times {\mathrm{191}}^1\times {\mathrm{18301}}^1$

素因数の和:18497

約数の個数: 16

約数和(自身を含む): 42167808

約数和(自身を除く): 21194862

約数列:

[1, 2, 3, 6, 191, 382, 573, 1146, 18301, 36602, 54903, 109806, 3495491, 6990982, 10486473, 20972946]

約数ペア:

[(1, 20972946), (2, 10486473), (3, 6990982), (6, 3495491), (191, 109806), (382, 54903), (573, 36602), (1146, 18301)]