20301196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:886

約数の個数: 36

約数和(自身を含む): 39748968

約数和(自身を除く): 19447772

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 827, 1292, 1444, 1654, 3308, 6137, 12274, 14059, 15713, 24548, 28118, 31426, 56236, 62852, 267121, 298547, 534242, 597094, 1068484, 1194188, 5075299, 10150598, 20301196]

約数ペア:

[(1, 20301196), (2, 10150598), (4, 5075299), (17, 1194188), (19, 1068484), (34, 597094), (38, 534242), (68, 298547), (76, 267121), (323, 62852), (361, 56236), (646, 31426), (722, 28118), (827, 24548), (1292, 15713), (1444, 14059), (1654, 12274), (3308, 6137)]