20200480

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 48009024

約数和(自身を除く): 27808544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 503, 1004, 1006, 1255, 2008, 2012, 2510, 2515, 4016, 4024, 5020, 5030, 8032, 8048, 10040, 10060, 16096, 20080, 20120, 40160, 40240, 80480, 126253, 252506, 505012, 631265, 1010024, 1262530, 2020048, 2525060, 4040096, 5050120, 10100240, 20200480]

約数ペア:

[(1, 20200480), (2, 10100240), (4, 5050120), (5, 4040096), (8, 2525060), (10, 2020048), (16, 1262530), (20, 1010024), (32, 631265), (40, 505012), (80, 252506), (160, 126253), (251, 80480), (502, 40240), (503, 40160), (1004, 20120), (1006, 20080), (1255, 16096), (2008, 10060), (2012, 10040), (2510, 8048), (2515, 8032), (4016, 5030), (4024, 5020)]