20736105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 36575616

約数和(自身を除く): 15839511

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2473, 2795, 7419, 8385, 12365, 32149, 37095, 96447, 106339, 160745, 319017, 482235, 531695, 1382407, 1595085, 4147221, 6912035, 20736105]

約数ペア:

[(1, 20736105), (3, 6912035), (5, 4147221), (13, 1595085), (15, 1382407), (39, 531695), (43, 482235), (65, 319017), (129, 160745), (195, 106339), (215, 96447), (559, 37095), (645, 32149), (1677, 12365), (2473, 8385), (2795, 7419)]