20735556075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{244451}}^1$

素因数の和:244509

約数の個数: 72

約数和(自身を含む): 41375945520

約数和(自身を除く): 20640389445

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 585, 725, 975, 1131, 1305, 1885, 2175, 2925, 3393, 5655, 6525, 9425, 16965, 28275, 84825, 244451, 733353, 1222255, 2200059, 3177863, 3666765, 6111275, 7089079, 9533589, 11000295, 15889315, 18333825, 21267237, 28600767, 35445395, 47667945, 55001475, 63801711, 79446575, 92158027, 106336185, 143003835, 177226975, 238339725, 276474081, 319008555, 460790135, 531680925, 715019175, 829422243, 1382370405, 1595042775, 2303950675, 4147111215, 6911852025, 20735556075]

約数ペア:

[(1, 20735556075), (3, 6911852025), (5, 4147111215), (9, 2303950675), (13, 1595042775), (15, 1382370405), (25, 829422243), (29, 715019175), (39, 531680925), (45, 460790135), (65, 319008555), (75, 276474081), (87, 238339725), (117, 177226975), (145, 143003835), (195, 106336185), (225, 92158027), (261, 79446575), (325, 63801711), (377, 55001475), (435, 47667945), (585, 35445395), (725, 28600767), (975, 21267237), (1131, 18333825), (1305, 15889315), (1885, 11000295), (2175, 9533589), (2925, 7089079), (3393, 6111275), (5655, 3666765), (6525, 3177863), (9425, 2200059), (16965, 1222255), (28275, 733353), (84825, 244451)]