20390286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1187}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 26369394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 409, 818, 1187, 1227, 2374, 2454, 2863, 3561, 5726, 7122, 8309, 8589, 16618, 17178, 24927, 49854, 485483, 970966, 1456449, 2912898, 3398381, 6796762, 10195143, 20390286]

約数ペア:

[(1, 20390286), (2, 10195143), (3, 6796762), (6, 3398381), (7, 2912898), (14, 1456449), (21, 970966), (42, 485483), (409, 49854), (818, 24927), (1187, 17178), (1227, 16618), (2374, 8589), (2454, 8309), (2863, 7122), (3561, 5726)]