16956220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11941}}^1$

素因数の和:12021

約数の個数: 24

約数和(自身を含む): 36112608

約数和(自身を除く): 19156388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11941, 23882, 47764, 59705, 119410, 238820, 847811, 1695622, 3391244, 4239055, 8478110, 16956220]

約数ペア:

[(1, 16956220), (2, 8478110), (4, 4239055), (5, 3391244), (10, 1695622), (20, 847811), (71, 238820), (142, 119410), (284, 59705), (355, 47764), (710, 23882), (1420, 11941)]