20108361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 33483520

約数和(自身を除く): 13375159

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1009, 1533, 2847, 3027, 6643, 7063, 13117, 19929, 21189, 39351, 73657, 91819, 220971, 275457, 515599, 957541, 1546797, 2872623, 6702787, 20108361]

約数ペア:

[(1, 20108361), (3, 6702787), (7, 2872623), (13, 1546797), (21, 957541), (39, 515599), (73, 275457), (91, 220971), (219, 91819), (273, 73657), (511, 39351), (949, 21189), (1009, 19929), (1533, 13117), (2847, 7063), (3027, 6643)]