20896425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8443}}^1$

素因数の和:8470

約数の個数: 36

約数和(自身を含む): 40835184

約数和(自身を除く): 19938759

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8443, 25329, 42215, 75987, 92873, 126645, 211075, 278619, 379935, 464365, 633225, 835857, 1393095, 1899675, 2321825, 4179285, 6965475, 20896425]

約数ペア:

[(1, 20896425), (3, 6965475), (5, 4179285), (9, 2321825), (11, 1899675), (15, 1393095), (25, 835857), (33, 633225), (45, 464365), (55, 379935), (75, 278619), (99, 211075), (165, 126645), (225, 92873), (275, 75987), (495, 42215), (825, 25329), (2475, 8443)]