20410425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12959}}^1$

素因数の和:12982

約数の個数: 36

約数和(自身を含む): 41783040

約数和(自身を除く): 21372615

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12959, 38877, 64795, 90713, 116631, 194385, 272139, 323975, 453565, 583155, 816417, 971925, 1360695, 2267825, 2915775, 4082085, 6803475, 20410425]

約数ペア:

[(1, 20410425), (3, 6803475), (5, 4082085), (7, 2915775), (9, 2267825), (15, 1360695), (21, 971925), (25, 816417), (35, 583155), (45, 453565), (63, 323975), (75, 272139), (105, 194385), (175, 116631), (225, 90713), (315, 64795), (525, 38877), (1575, 12959)]