20283075

素因数分解:

$3^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 37696000

約数和(自身を除く): 17412925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 151, 199, 225, 453, 597, 675, 755, 995, 1359, 1791, 2265, 2985, 3775, 4077, 4975, 5373, 6795, 8955, 11325, 14925, 20385, 26865, 30049, 33975, 44775, 90147, 101925, 134325, 150245, 270441, 450735, 751225, 811323, 1352205, 2253675, 4056615, 6761025, 20283075]

約数ペア:

[(1, 20283075), (3, 6761025), (5, 4056615), (9, 2253675), (15, 1352205), (25, 811323), (27, 751225), (45, 450735), (75, 270441), (135, 150245), (151, 134325), (199, 101925), (225, 90147), (453, 44775), (597, 33975), (675, 30049), (755, 26865), (995, 20385), (1359, 14925), (1791, 11325), (2265, 8955), (2985, 6795), (3775, 5373), (4077, 4975)]