20199083680

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{847277}}^1$

素因数の和:847441

約数の個数: 48

約数和(自身を含む): 48040662600

約数和(自身を除く): 27841578920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920, 23840, 847277, 1694554, 3389108, 4236385, 6778216, 8472770, 13556432, 16945540, 27112864, 33891080, 67782160, 126244273, 135564320, 252488546, 504977092, 631221365, 1009954184, 1262442730, 2019908368, 2524885460, 4039816736, 5049770920, 10099541840, 20199083680]

約数ペア:

[(1, 20199083680), (2, 10099541840), (4, 5049770920), (5, 4039816736), (8, 2524885460), (10, 2019908368), (16, 1262442730), (20, 1009954184), (32, 631221365), (40, 504977092), (80, 252488546), (149, 135564320), (160, 126244273), (298, 67782160), (596, 33891080), (745, 27112864), (1192, 16945540), (1490, 13556432), (2384, 8472770), (2980, 6778216), (4768, 4236385), (5960, 3389108), (11920, 1694554), (23840, 847277)]