20629648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99181}}^1$

素因数の和:99202

約数の個数: 20

約数和(自身を含む): 43044988

約数和(自身を除く): 22415340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99181, 198362, 396724, 793448, 1289353, 1586896, 2578706, 5157412, 10314824, 20629648]

約数ペア:

[(1, 20629648), (2, 10314824), (4, 5157412), (8, 2578706), (13, 1586896), (16, 1289353), (26, 793448), (52, 396724), (104, 198362), (208, 99181)]