20535606

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 120

約数和(自身を含む): 57934800

約数和(自身を除く): 37399194

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 81, 91, 98, 117, 126, 147, 162, 182, 189, 199, 234, 273, 294, 351, 378, 398, 441, 546, 567, 597, 637, 702, 819, 882, 1053, 1134, 1194, 1274, 1323, 1393, 1638, 1791, 1911, 2106, 2457, 2587, 2646, 2786, 3582, 3822, 3969, 4179, 4914, 5174, 5373, 5733, 7371, 7761, 7938, 8358, 9751, 10746, 11466, 12537, 14742, 15522, 16119, 17199, 18109, 19502, 23283, 25074, 29253, 32238, 34398, 36218, 37611, 46566, 51597, 54327, 58506, 69849, 75222, 87759, 103194, 108654, 112833, 126763, 139698, 162981, 175518, 209547, 225666, 253526, 263277, 325962, 380289, 419094, 488943, 526554, 760578, 789831, 977886, 1140867, 1466829, 1579662, 2281734, 2933658, 3422601, 6845202, 10267803, 20535606]

約数ペア:

[(1, 20535606), (2, 10267803), (3, 6845202), (6, 3422601), (7, 2933658), (9, 2281734), (13, 1579662), (14, 1466829), (18, 1140867), (21, 977886), (26, 789831), (27, 760578), (39, 526554), (42, 488943), (49, 419094), (54, 380289), (63, 325962), (78, 263277), (81, 253526), (91, 225666), (98, 209547), (117, 175518), (126, 162981), (147, 139698), (162, 126763), (182, 112833), (189, 108654), (199, 103194), (234, 87759), (273, 75222), (294, 69849), (351, 58506), (378, 54327), (398, 51597), (441, 46566), (546, 37611), (567, 36218), (597, 34398), (637, 32238), (702, 29253), (819, 25074), (882, 23283), (1053, 19502), (1134, 18109), (1194, 17199), (1274, 16119), (1323, 15522), (1393, 14742), (1638, 12537), (1791, 11466), (1911, 10746), (2106, 9751), (2457, 8358), (2587, 7938), (2646, 7761), (2786, 7371), (3582, 5733), (3822, 5373), (3969, 5174), (4179, 4914)]