20690694

素因数分解:

$2^1\times 3^3\times {\mathrm{619}}^2$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 46053720

約数和(自身を除く): 25363026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 619, 1238, 1857, 3714, 5571, 11142, 16713, 33426, 383161, 766322, 1149483, 2298966, 3448449, 6896898, 10345347, 20690694]

約数ペア:

[(1, 20690694), (2, 10345347), (3, 6896898), (6, 3448449), (9, 2298966), (18, 1149483), (27, 766322), (54, 383161), (619, 33426), (1238, 16713), (1857, 11142), (3714, 5571)]