20706690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8737}}^1$

素因数の和:8826

約数の個数: 32

約数和(自身を含む): 50330880

約数和(自身を除く): 29624190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8737, 17474, 26211, 43685, 52422, 87370, 131055, 262110, 690223, 1380446, 2070669, 3451115, 4141338, 6902230, 10353345, 20706690]

約数ペア:

[(1, 20706690), (2, 10353345), (3, 6902230), (5, 4141338), (6, 3451115), (10, 2070669), (15, 1380446), (30, 690223), (79, 262110), (158, 131055), (237, 87370), (395, 52422), (474, 43685), (790, 26211), (1185, 17474), (2370, 8737)]