20343712

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1249}}^1$

素因数の和:1768

約数の個数: 24

約数和(自身を含む): 40162500

約数和(自身を除く): 19818788

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1249, 2036, 2498, 4072, 4996, 8144, 9992, 16288, 19984, 39968, 635741, 1271482, 2542964, 5085928, 10171856, 20343712]

約数ペア:

[(1, 20343712), (2, 10171856), (4, 5085928), (8, 2542964), (16, 1271482), (32, 635741), (509, 39968), (1018, 19984), (1249, 16288), (2036, 9992), (2498, 8144), (4072, 4996)]