31443220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7451}}^1$

素因数の和:7671

約数の個数: 24

約数和(自身を含む): 66352608

約数和(自身を除く): 34909388

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 7451, 14902, 29804, 37255, 74510, 149020, 1572161, 3144322, 6288644, 7860805, 15721610, 31443220]

約数ペア:

[(1, 31443220), (2, 15721610), (4, 7860805), (5, 6288644), (10, 3144322), (20, 1572161), (211, 149020), (422, 74510), (844, 37255), (1055, 29804), (2110, 14902), (4220, 7451)]