20612883760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36808721}}^1$

素因数の和:36808741

約数の個数: 40

約数和(自身を含む): 54771378336

約数和(自身を除く): 34158494576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36808721, 73617442, 147234884, 184043605, 257661047, 294469768, 368087210, 515322094, 588939536, 736174420, 1030644188, 1288305235, 1472348840, 2061288376, 2576610470, 2944697680, 4122576752, 5153220940, 10306441880, 20612883760]

約数ペア:

[(1, 20612883760), (2, 10306441880), (4, 5153220940), (5, 4122576752), (7, 2944697680), (8, 2576610470), (10, 2061288376), (14, 1472348840), (16, 1288305235), (20, 1030644188), (28, 736174420), (35, 588939536), (40, 515322094), (56, 368087210), (70, 294469768), (80, 257661047), (112, 184043605), (140, 147234884), (280, 73617442), (560, 36808721)]