20484530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2642

約数の個数: 32

約数和(自身を含む): 40791168

約数和(自身を除く): 20306638

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2551, 4015, 5102, 8030, 12755, 25510, 28061, 56122, 140305, 186223, 280610, 372446, 931115, 1862230, 2048453, 4096906, 10242265, 20484530]

約数ペア:

[(1, 20484530), (2, 10242265), (5, 4096906), (10, 2048453), (11, 1862230), (22, 931115), (55, 372446), (73, 280610), (110, 186223), (146, 140305), (365, 56122), (730, 28061), (803, 25510), (1606, 12755), (2551, 8030), (4015, 5102)]