20340963

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13217}}^1$

素因数の和:13248

約数の個数: 20

約数和(自身を含む): 31987560

約数和(自身を除く): 11646597

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13217, 39651, 118953, 251123, 356859, 753369, 1070577, 2260107, 6780321, 20340963]

約数ペア:

[(1, 20340963), (3, 6780321), (9, 2260107), (19, 1070577), (27, 753369), (57, 356859), (81, 251123), (171, 118953), (513, 39651), (1539, 13217)]