20159568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 67534740

約数和(自身を除く): 47375172

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 89, 99, 104, 117, 121, 132, 143, 144, 156, 176, 178, 198, 208, 234, 242, 264, 267, 286, 312, 356, 363, 396, 429, 468, 484, 528, 534, 572, 624, 712, 726, 792, 801, 858, 936, 968, 979, 1068, 1089, 1144, 1157, 1287, 1424, 1452, 1573, 1584, 1602, 1716, 1872, 1936, 1958, 2136, 2178, 2288, 2314, 2574, 2904, 2937, 3146, 3204, 3432, 3471, 3916, 4272, 4356, 4628, 4719, 5148, 5808, 5874, 6292, 6408, 6864, 6942, 7832, 8712, 8811, 9256, 9438, 10296, 10413, 10769, 11748, 12584, 12727, 12816, 13884, 14157, 15664, 17424, 17622, 18512, 18876, 20592, 20826, 21538, 23496, 25168, 25454, 27768, 28314, 32307, 35244, 37752, 38181, 41652, 43076, 46992, 50908, 55536, 56628, 64614, 70488, 75504, 76362, 83304, 86152, 96921, 101816, 113256, 114543, 129228, 139997, 140976, 152724, 166608, 172304, 193842, 203632, 226512, 229086, 258456, 279994, 305448, 387684, 419991, 458172, 516912, 559988, 610896, 775368, 839982, 916344, 1119976, 1259973, 1550736, 1679964, 1832688, 2239952, 2519946, 3359928, 5039892, 6719856, 10079784, 20159568]

約数ペア:

[(1, 20159568), (2, 10079784), (3, 6719856), (4, 5039892), (6, 3359928), (8, 2519946), (9, 2239952), (11, 1832688), (12, 1679964), (13, 1550736), (16, 1259973), (18, 1119976), (22, 916344), (24, 839982), (26, 775368), (33, 610896), (36, 559988), (39, 516912), (44, 458172), (48, 419991), (52, 387684), (66, 305448), (72, 279994), (78, 258456), (88, 229086), (89, 226512), (99, 203632), (104, 193842), (117, 172304), (121, 166608), (132, 152724), (143, 140976), (144, 139997), (156, 129228), (176, 114543), (178, 113256), (198, 101816), (208, 96921), (234, 86152), (242, 83304), (264, 76362), (267, 75504), (286, 70488), (312, 64614), (356, 56628), (363, 55536), (396, 50908), (429, 46992), (468, 43076), (484, 41652), (528, 38181), (534, 37752), (572, 35244), (624, 32307), (712, 28314), (726, 27768), (792, 25454), (801, 25168), (858, 23496), (936, 21538), (968, 20826), (979, 20592), (1068, 18876), (1089, 18512), (1144, 17622), (1157, 17424), (1287, 15664), (1424, 14157), (1452, 13884), (1573, 12816), (1584, 12727), (1602, 12584), (1716, 11748), (1872, 10769), (1936, 10413), (1958, 10296), (2136, 9438), (2178, 9256), (2288, 8811), (2314, 8712), (2574, 7832), (2904, 6942), (2937, 6864), (3146, 6408), (3204, 6292), (3432, 5874), (3471, 5808), (3916, 5148), (4272, 4719), (4356, 4628)]