20173788

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1693}}^1$

素因数の和:2034

約数の個数: 36

約数和(自身を含む): 51179128

約数和(自身を除く): 31005340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1693, 1986, 2979, 3386, 3972, 5079, 5958, 6772, 10158, 11916, 15237, 20316, 30474, 60948, 560383, 1120766, 1681149, 2241532, 3362298, 5043447, 6724596, 10086894, 20173788]

約数ペア:

[(1, 20173788), (2, 10086894), (3, 6724596), (4, 5043447), (6, 3362298), (9, 2241532), (12, 1681149), (18, 1120766), (36, 560383), (331, 60948), (662, 30474), (993, 20316), (1324, 15237), (1693, 11916), (1986, 10158), (2979, 6772), (3386, 5958), (3972, 5079)]