20565360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9521}}^1$

素因数の和:9543

約数の個数: 80

約数和(自身を含む): 70843680

約数和(自身を除く): 50278320

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, 9521, 19042, 28563, 38084, 47605, 57126, 76168, 85689, 95210, 114252, 142815, 152336, 171378, 190420, 228504, 257067, 285630, 342756, 380840, 428445, 457008, 514134, 571260, 685512, 761680, 856890, 1028268, 1142520, 1285335, 1371024, 1713780, 2056536, 2285040, 2570670, 3427560, 4113072, 5141340, 6855120, 10282680, 20565360]

約数ペア:

[(1, 20565360), (2, 10282680), (3, 6855120), (4, 5141340), (5, 4113072), (6, 3427560), (8, 2570670), (9, 2285040), (10, 2056536), (12, 1713780), (15, 1371024), (16, 1285335), (18, 1142520), (20, 1028268), (24, 856890), (27, 761680), (30, 685512), (36, 571260), (40, 514134), (45, 457008), (48, 428445), (54, 380840), (60, 342756), (72, 285630), (80, 257067), (90, 228504), (108, 190420), (120, 171378), (135, 152336), (144, 142815), (180, 114252), (216, 95210), (240, 85689), (270, 76168), (360, 57126), (432, 47605), (540, 38084), (720, 28563), (1080, 19042), (2160, 9521)]