20500128

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:752

約数の個数: 120

約数和(自身を含む): 65862720

約数和(自身を除く): 45362592

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 719, 792, 864, 891, 1056, 1188, 1296, 1438, 1584, 1782, 2157, 2376, 2592, 2876, 3168, 3564, 4314, 4752, 5752, 6471, 7128, 7909, 8628, 9504, 11504, 12942, 14256, 15818, 17256, 19413, 23008, 23727, 25884, 28512, 31636, 34512, 38826, 47454, 51768, 58239, 63272, 69024, 71181, 77652, 94908, 103536, 116478, 126544, 142362, 155304, 189816, 207072, 213543, 232956, 253088, 284724, 310608, 379632, 427086, 465912, 569448, 621216, 640629, 759264, 854172, 931824, 1138896, 1281258, 1708344, 1863648, 2277792, 2562516, 3416688, 5125032, 6833376, 10250064, 20500128]

約数ペア:

[(1, 20500128), (2, 10250064), (3, 6833376), (4, 5125032), (6, 3416688), (8, 2562516), (9, 2277792), (11, 1863648), (12, 1708344), (16, 1281258), (18, 1138896), (22, 931824), (24, 854172), (27, 759264), (32, 640629), (33, 621216), (36, 569448), (44, 465912), (48, 427086), (54, 379632), (66, 310608), (72, 284724), (81, 253088), (88, 232956), (96, 213543), (99, 207072), (108, 189816), (132, 155304), (144, 142362), (162, 126544), (176, 116478), (198, 103536), (216, 94908), (264, 77652), (288, 71181), (297, 69024), (324, 63272), (352, 58239), (396, 51768), (432, 47454), (528, 38826), (594, 34512), (648, 31636), (719, 28512), (792, 25884), (864, 23727), (891, 23008), (1056, 19413), (1188, 17256), (1296, 15818), (1438, 14256), (1584, 12942), (1782, 11504), (2157, 9504), (2376, 8628), (2592, 7909), (2876, 7128), (3168, 6471), (3564, 5752), (4314, 4752)]