20511810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20719}}^1$

素因数の和:20743

約数の個数: 48

約数和(自身を含む): 58181760

約数和(自身を除く): 37669950

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20719, 41438, 62157, 103595, 124314, 186471, 207190, 227909, 310785, 372942, 455818, 621570, 683727, 932355, 1139545, 1367454, 1864710, 2051181, 2279090, 3418635, 4102362, 6837270, 10255905, 20511810]

約数ペア:

[(1, 20511810), (2, 10255905), (3, 6837270), (5, 4102362), (6, 3418635), (9, 2279090), (10, 2051181), (11, 1864710), (15, 1367454), (18, 1139545), (22, 932355), (30, 683727), (33, 621570), (45, 455818), (55, 372942), (66, 310785), (90, 227909), (99, 207190), (110, 186471), (165, 124314), (198, 103595), (330, 62157), (495, 41438), (990, 20719)]