20667465

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 45427200

約数和(自身を除く): 24759735

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 103, 105, 117, 147, 195, 245, 273, 309, 315, 343, 441, 455, 515, 585, 637, 721, 735, 819, 927, 1029, 1339, 1365, 1545, 1715, 1911, 2163, 2205, 3087, 3185, 3605, 4017, 4095, 4459, 4635, 5047, 5145, 5733, 6489, 6695, 9373, 9555, 10815, 12051, 13377, 15141, 15435, 20085, 22295, 25235, 28119, 28665, 32445, 35329, 40131, 45423, 46865, 60255, 65611, 66885, 75705, 84357, 105987, 140595, 176645, 196833, 200655, 227115, 317961, 328055, 421785, 459277, 529935, 590499, 984165, 1377831, 1589805, 2296385, 2952495, 4133493, 6889155, 20667465]

約数ペア:

[(1, 20667465), (3, 6889155), (5, 4133493), (7, 2952495), (9, 2296385), (13, 1589805), (15, 1377831), (21, 984165), (35, 590499), (39, 529935), (45, 459277), (49, 421785), (63, 328055), (65, 317961), (91, 227115), (103, 200655), (105, 196833), (117, 176645), (147, 140595), (195, 105987), (245, 84357), (273, 75705), (309, 66885), (315, 65611), (343, 60255), (441, 46865), (455, 45423), (515, 40131), (585, 35329), (637, 32445), (721, 28665), (735, 28119), (819, 25235), (927, 22295), (1029, 20085), (1339, 15435), (1365, 15141), (1545, 13377), (1715, 12051), (1911, 10815), (2163, 9555), (2205, 9373), (3087, 6695), (3185, 6489), (3605, 5733), (4017, 5145), (4095, 5047), (4459, 4635)]