20807040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10837}}^1$

素因数の和:10859

約数の個数: 64

約数和(自身を含む): 66328560

約数和(自身を除く): 45521520

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, 320, 384, 480, 640, 960, 1920, 10837, 21674, 32511, 43348, 54185, 65022, 86696, 108370, 130044, 162555, 173392, 216740, 260088, 325110, 346784, 433480, 520176, 650220, 693568, 866960, 1040352, 1300440, 1387136, 1733920, 2080704, 2600880, 3467840, 4161408, 5201760, 6935680, 10403520, 20807040]

約数ペア:

[(1, 20807040), (2, 10403520), (3, 6935680), (4, 5201760), (5, 4161408), (6, 3467840), (8, 2600880), (10, 2080704), (12, 1733920), (15, 1387136), (16, 1300440), (20, 1040352), (24, 866960), (30, 693568), (32, 650220), (40, 520176), (48, 433480), (60, 346784), (64, 325110), (80, 260088), (96, 216740), (120, 173392), (128, 162555), (160, 130044), (192, 108370), (240, 86696), (320, 65022), (384, 54185), (480, 43348), (640, 32511), (960, 21674), (1920, 10837)]