20035072

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:486

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 20475728

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 359, 436, 512, 718, 872, 1436, 1744, 2872, 3488, 5744, 6976, 11488, 13952, 22976, 27904, 39131, 45952, 55808, 78262, 91904, 156524, 183808, 313048, 626096, 1252192, 2504384, 5008768, 10017536, 20035072]

約数ペア:

[(1, 20035072), (2, 10017536), (4, 5008768), (8, 2504384), (16, 1252192), (32, 626096), (64, 313048), (109, 183808), (128, 156524), (218, 91904), (256, 78262), (359, 55808), (436, 45952), (512, 39131), (718, 27904), (872, 22976), (1436, 13952), (1744, 11488), (2872, 6976), (3488, 5744)]