20366080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 55776672

約数和(自身を除く): 35410592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2273, 4480, 4546, 8960, 9092, 11365, 15911, 18184, 22730, 31822, 36368, 45460, 63644, 72736, 79555, 90920, 127288, 145472, 159110, 181840, 254576, 290944, 318220, 363680, 509152, 581888, 636440, 727360, 1018304, 1272880, 1454720, 2036608, 2545760, 2909440, 4073216, 5091520, 10183040, 20366080]

約数ペア:

[(1, 20366080), (2, 10183040), (4, 5091520), (5, 4073216), (7, 2909440), (8, 2545760), (10, 2036608), (14, 1454720), (16, 1272880), (20, 1018304), (28, 727360), (32, 636440), (35, 581888), (40, 509152), (56, 363680), (64, 318220), (70, 290944), (80, 254576), (112, 181840), (128, 159110), (140, 145472), (160, 127288), (224, 90920), (256, 79555), (280, 72736), (320, 63644), (448, 45460), (560, 36368), (640, 31822), (896, 22730), (1120, 18184), (1280, 15911), (1792, 11365), (2240, 9092), (2273, 8960), (4480, 4546)]