20038249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 25128576

約数和(自身を除く): 5090327

約数列:

[1, 7, 11, 77, 197, 1321, 1379, 2167, 9247, 14531, 15169, 101717, 260237, 1821659, 2862607, 20038249]

約数ペア:

[(1, 20038249), (7, 2862607), (11, 1821659), (77, 260237), (197, 101717), (1321, 15169), (1379, 14531), (2167, 9247)]