20132720

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{701}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 47005920

約数和(自身を除く): 26873200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 701, 718, 1402, 1436, 1795, 2804, 2872, 3505, 3590, 5608, 5744, 7010, 7180, 11216, 14020, 14360, 28040, 28720, 56080, 251659, 503318, 1006636, 1258295, 2013272, 2516590, 4026544, 5033180, 10066360, 20132720]

約数ペア:

[(1, 20132720), (2, 10066360), (4, 5033180), (5, 4026544), (8, 2516590), (10, 2013272), (16, 1258295), (20, 1006636), (40, 503318), (80, 251659), (359, 56080), (701, 28720), (718, 28040), (1402, 14360), (1436, 14020), (1795, 11216), (2804, 7180), (2872, 7010), (3505, 5744), (3590, 5608)]