20310955

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1097}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 29145312

約数和(自身を除く): 8834357

約数列:

[1, 5, 7, 23, 35, 115, 161, 529, 805, 1097, 2645, 3703, 5485, 7679, 18515, 25231, 38395, 126155, 176617, 580313, 883085, 2901565, 4062191, 20310955]

約数ペア:

[(1, 20310955), (5, 4062191), (7, 2901565), (23, 883085), (35, 580313), (115, 176617), (161, 126155), (529, 38395), (805, 25231), (1097, 18515), (2645, 7679), (3703, 5485)]