20901120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5443}}^1$

素因数の和:5467

約数の個数: 72

約数和(自身を含む): 66765216

約数和(自身を除く): 45864096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5443, 10886, 16329, 21772, 27215, 32658, 43544, 54430, 65316, 81645, 87088, 108860, 130632, 163290, 174176, 217720, 261264, 326580, 348352, 435440, 522528, 653160, 696704, 870880, 1045056, 1306320, 1393408, 1741760, 2090112, 2612640, 3483520, 4180224, 5225280, 6967040, 10450560, 20901120]

約数ペア:

[(1, 20901120), (2, 10450560), (3, 6967040), (4, 5225280), (5, 4180224), (6, 3483520), (8, 2612640), (10, 2090112), (12, 1741760), (15, 1393408), (16, 1306320), (20, 1045056), (24, 870880), (30, 696704), (32, 653160), (40, 522528), (48, 435440), (60, 348352), (64, 326580), (80, 261264), (96, 217720), (120, 174176), (128, 163290), (160, 130632), (192, 108860), (240, 87088), (256, 81645), (320, 65316), (384, 54430), (480, 43544), (640, 32658), (768, 27215), (960, 21772), (1280, 16329), (1920, 10886), (3840, 5443)]