20906640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9679}}^1$

素因数の和:9701

約数の個数: 80

約数和(自身を含む): 72019200

約数和(自身を除く): 51112560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9679, 19358, 29037, 38716, 48395, 58074, 77432, 87111, 96790, 116148, 145185, 154864, 174222, 193580, 232296, 261333, 290370, 348444, 387160, 435555, 464592, 522666, 580740, 696888, 774320, 871110, 1045332, 1161480, 1306665, 1393776, 1742220, 2090664, 2322960, 2613330, 3484440, 4181328, 5226660, 6968880, 10453320, 20906640]

約数ペア:

[(1, 20906640), (2, 10453320), (3, 6968880), (4, 5226660), (5, 4181328), (6, 3484440), (8, 2613330), (9, 2322960), (10, 2090664), (12, 1742220), (15, 1393776), (16, 1306665), (18, 1161480), (20, 1045332), (24, 871110), (27, 774320), (30, 696888), (36, 580740), (40, 522666), (45, 464592), (48, 435555), (54, 387160), (60, 348444), (72, 290370), (80, 261333), (90, 232296), (108, 193580), (120, 174222), (135, 154864), (144, 145185), (180, 116148), (216, 96790), (240, 87111), (270, 77432), (360, 58074), (432, 48395), (540, 38716), (720, 29037), (1080, 19358), (2160, 9679)]