20488920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170741}}^1$

素因数の和:170755

約数の個数: 32

約数和(自身を含む): 61467120

約数和(自身を除く): 40978200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170741, 341482, 512223, 682964, 853705, 1024446, 1365928, 1707410, 2048892, 2561115, 3414820, 4097784, 5122230, 6829640, 10244460, 20488920]

約数ペア:

[(1, 20488920), (2, 10244460), (3, 6829640), (4, 5122230), (5, 4097784), (6, 3414820), (8, 2561115), (10, 2048892), (12, 1707410), (15, 1365928), (20, 1024446), (24, 853705), (30, 682964), (40, 512223), (60, 341482), (120, 170741)]