20315208

素因数分解:

$2^3\times 3^1\times {\mathrm{509}}^1\times {\mathrm{1663}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 50918400

約数和(自身を除く): 30603192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 509, 1018, 1527, 1663, 2036, 3054, 3326, 4072, 4989, 6108, 6652, 9978, 12216, 13304, 19956, 39912, 846467, 1692934, 2539401, 3385868, 5078802, 6771736, 10157604, 20315208]

約数ペア:

[(1, 20315208), (2, 10157604), (3, 6771736), (4, 5078802), (6, 3385868), (8, 2539401), (12, 1692934), (24, 846467), (509, 39912), (1018, 19956), (1527, 13304), (1663, 12216), (2036, 9978), (3054, 6652), (3326, 6108), (4072, 4989)]