20120899160

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1912633}}^1$

素因数の和:1912907

約数の個数: 32

約数和(自身を含む): 45444183840

約数和(自身を除く): 25323284680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 1912633, 3825266, 7650532, 9563165, 15301064, 19126330, 38252660, 76505320, 503022479, 1006044958, 2012089916, 2515112395, 4024179832, 5030224790, 10060449580, 20120899160]

約数ペア:

[(1, 20120899160), (2, 10060449580), (4, 5030224790), (5, 4024179832), (8, 2515112395), (10, 2012089916), (20, 1006044958), (40, 503022479), (263, 76505320), (526, 38252660), (1052, 19126330), (1315, 15301064), (2104, 9563165), (2630, 7650532), (5260, 3825266), (10520, 1912633)]