20199785844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{373987}}^1$

素因数の和:374644

約数の個数: 48

約数和(自身を含む): 53950012928

約数和(自身を除く): 33750227084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 643, 1286, 1929, 2572, 3858, 4501, 7716, 9002, 13503, 18004, 27006, 54012, 373987, 747974, 1121961, 1495948, 2243922, 2617909, 4487844, 5235818, 7853727, 10471636, 15707454, 31414908, 240473641, 480947282, 721420923, 961894564, 1442841846, 1683315487, 2885683692, 3366630974, 5049946461, 6733261948, 10099892922, 20199785844]

約数ペア:

[(1, 20199785844), (2, 10099892922), (3, 6733261948), (4, 5049946461), (6, 3366630974), (7, 2885683692), (12, 1683315487), (14, 1442841846), (21, 961894564), (28, 721420923), (42, 480947282), (84, 240473641), (643, 31414908), (1286, 15707454), (1929, 10471636), (2572, 7853727), (3858, 5235818), (4501, 4487844), (7716, 2617909), (9002, 2243922), (13503, 1495948), (18004, 1121961), (27006, 747974), (54012, 373987)]