20728116

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3253}}^1$

素因数の和:3325

約数の個数: 48

約数和(自身を含む): 54667200

約数和(自身を除く): 33939084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3253, 6372, 6506, 9759, 13012, 19518, 29277, 39036, 58554, 87831, 117108, 175662, 191927, 351324, 383854, 575781, 767708, 1151562, 1727343, 2303124, 3454686, 5182029, 6909372, 10364058, 20728116]

約数ペア:

[(1, 20728116), (2, 10364058), (3, 6909372), (4, 5182029), (6, 3454686), (9, 2303124), (12, 1727343), (18, 1151562), (27, 767708), (36, 575781), (54, 383854), (59, 351324), (108, 191927), (118, 175662), (177, 117108), (236, 87831), (354, 58554), (531, 39036), (708, 29277), (1062, 19518), (1593, 13012), (2124, 9759), (3186, 6506), (3253, 6372)]