20041128

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 59673600

約数和(自身を除く): 39632472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 41, 54, 62, 72, 73, 82, 93, 108, 123, 124, 146, 164, 186, 216, 219, 246, 248, 279, 292, 328, 369, 372, 438, 492, 558, 584, 657, 738, 744, 837, 876, 984, 1107, 1116, 1271, 1314, 1476, 1674, 1752, 1971, 2214, 2232, 2263, 2542, 2628, 2952, 2993, 3348, 3813, 3942, 4428, 4526, 5084, 5256, 5986, 6696, 6789, 7626, 7884, 8856, 8979, 9052, 10168, 11439, 11972, 13578, 15252, 15768, 17958, 18104, 20367, 22878, 23944, 26937, 27156, 30504, 34317, 35916, 40734, 45756, 53874, 54312, 61101, 68634, 71832, 80811, 81468, 91512, 92783, 107748, 122202, 137268, 161622, 162936, 185566, 215496, 244404, 274536, 278349, 323244, 371132, 488808, 556698, 646488, 742264, 835047, 1113396, 1670094, 2226792, 2505141, 3340188, 5010282, 6680376, 10020564, 20041128]

約数ペア:

[(1, 20041128), (2, 10020564), (3, 6680376), (4, 5010282), (6, 3340188), (8, 2505141), (9, 2226792), (12, 1670094), (18, 1113396), (24, 835047), (27, 742264), (31, 646488), (36, 556698), (41, 488808), (54, 371132), (62, 323244), (72, 278349), (73, 274536), (82, 244404), (93, 215496), (108, 185566), (123, 162936), (124, 161622), (146, 137268), (164, 122202), (186, 107748), (216, 92783), (219, 91512), (246, 81468), (248, 80811), (279, 71832), (292, 68634), (328, 61101), (369, 54312), (372, 53874), (438, 45756), (492, 40734), (558, 35916), (584, 34317), (657, 30504), (738, 27156), (744, 26937), (837, 23944), (876, 22878), (984, 20367), (1107, 18104), (1116, 17958), (1271, 15768), (1314, 15252), (1476, 13578), (1674, 11972), (1752, 11439), (1971, 10168), (2214, 9052), (2232, 8979), (2263, 8856), (2542, 7884), (2628, 7626), (2952, 6789), (2993, 6696), (3348, 5986), (3813, 5256), (3942, 5084), (4428, 4526)]