20749608

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 45113112

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 41, 44, 54, 66, 71, 72, 81, 82, 88, 99, 108, 123, 132, 142, 162, 164, 198, 213, 216, 246, 264, 284, 297, 324, 328, 369, 396, 426, 451, 492, 568, 594, 639, 648, 738, 781, 792, 852, 891, 902, 984, 1107, 1188, 1278, 1353, 1476, 1562, 1704, 1782, 1804, 1917, 2214, 2343, 2376, 2556, 2706, 2911, 2952, 3124, 3321, 3564, 3608, 3834, 4059, 4428, 4686, 5112, 5412, 5751, 5822, 6248, 6642, 7029, 7128, 7668, 8118, 8733, 8856, 9372, 10824, 11502, 11644, 12177, 13284, 14058, 15336, 16236, 17466, 18744, 21087, 23004, 23288, 24354, 26199, 26568, 28116, 32021, 32472, 34932, 36531, 42174, 46008, 48708, 52398, 56232, 63261, 64042, 69864, 73062, 78597, 84348, 96063, 97416, 104796, 126522, 128084, 146124, 157194, 168696, 192126, 209592, 235791, 253044, 256168, 288189, 292248, 314388, 384252, 471582, 506088, 576378, 628776, 768504, 864567, 943164, 1152756, 1729134, 1886328, 2305512, 2593701, 3458268, 5187402, 6916536, 10374804, 20749608]

約数ペア:

[(1, 20749608), (2, 10374804), (3, 6916536), (4, 5187402), (6, 3458268), (8, 2593701), (9, 2305512), (11, 1886328), (12, 1729134), (18, 1152756), (22, 943164), (24, 864567), (27, 768504), (33, 628776), (36, 576378), (41, 506088), (44, 471582), (54, 384252), (66, 314388), (71, 292248), (72, 288189), (81, 256168), (82, 253044), (88, 235791), (99, 209592), (108, 192126), (123, 168696), (132, 157194), (142, 146124), (162, 128084), (164, 126522), (198, 104796), (213, 97416), (216, 96063), (246, 84348), (264, 78597), (284, 73062), (297, 69864), (324, 64042), (328, 63261), (369, 56232), (396, 52398), (426, 48708), (451, 46008), (492, 42174), (568, 36531), (594, 34932), (639, 32472), (648, 32021), (738, 28116), (781, 26568), (792, 26199), (852, 24354), (891, 23288), (902, 23004), (984, 21087), (1107, 18744), (1188, 17466), (1278, 16236), (1353, 15336), (1476, 14058), (1562, 13284), (1704, 12177), (1782, 11644), (1804, 11502), (1917, 10824), (2214, 9372), (2343, 8856), (2376, 8733), (2556, 8118), (2706, 7668), (2911, 7128), (2952, 7029), (3124, 6642), (3321, 6248), (3564, 5822), (3608, 5751), (3834, 5412), (4059, 5112), (4428, 4686)]