201999820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83471}}^1$

素因数の和:83502

約数の個数: 36

約数和(自身を含む): 466274592

約数和(自身を除く): 264274772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 83471, 166942, 333884, 417355, 834710, 918181, 1669420, 1836362, 3672724, 4590905, 9181810, 10099991, 18363620, 20199982, 40399964, 50499955, 100999910, 201999820]

約数ペア:

[(1, 201999820), (2, 100999910), (4, 50499955), (5, 40399964), (10, 20199982), (11, 18363620), (20, 10099991), (22, 9181810), (44, 4590905), (55, 3672724), (110, 1836362), (121, 1669420), (220, 918181), (242, 834710), (484, 417355), (605, 333884), (1210, 166942), (2420, 83471)]