20712040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2711}}^1$

素因数の和:2913

約数の個数: 32

約数和(自身を含む): 46863360

約数和(自身を除く): 26151320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2711, 3820, 5422, 7640, 10844, 13555, 21688, 27110, 54220, 108440, 517801, 1035602, 2071204, 2589005, 4142408, 5178010, 10356020, 20712040]

約数ペア:

[(1, 20712040), (2, 10356020), (4, 5178010), (5, 4142408), (8, 2589005), (10, 2071204), (20, 1035602), (40, 517801), (191, 108440), (382, 54220), (764, 27110), (955, 21688), (1528, 13555), (1910, 10844), (2711, 7640), (3820, 5422)]