2900020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 6166944

約数和(自身を除く): 3266924

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1747, 3494, 6988, 8735, 17470, 34940, 145001, 290002, 580004, 725005, 1450010, 2900020]

約数ペア:

[(1, 2900020), (2, 1450010), (4, 725005), (5, 580004), (10, 290002), (20, 145001), (83, 34940), (166, 17470), (332, 8735), (415, 6988), (830, 3494), (1660, 1747)]