20842272

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 72448992

約数和(自身を除く): 51606720

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 43, 44, 48, 51, 54, 66, 68, 72, 81, 86, 88, 96, 99, 102, 108, 129, 132, 136, 144, 153, 162, 172, 176, 187, 198, 204, 216, 258, 264, 272, 288, 297, 306, 324, 344, 352, 374, 387, 396, 408, 432, 459, 473, 516, 528, 544, 561, 594, 612, 648, 688, 731, 748, 774, 792, 816, 864, 891, 918, 946, 1032, 1056, 1122, 1161, 1188, 1224, 1296, 1376, 1377, 1419, 1462, 1496, 1548, 1584, 1632, 1683, 1782, 1836, 1892, 2064, 2193, 2244, 2322, 2376, 2448, 2592, 2754, 2838, 2924, 2992, 3096, 3168, 3366, 3483, 3564, 3672, 3784, 4128, 4257, 4386, 4488, 4644, 4752, 4896, 5049, 5508, 5676, 5848, 5984, 6192, 6579, 6732, 6966, 7128, 7344, 7568, 8041, 8514, 8772, 8976, 9288, 9504, 10098, 11016, 11352, 11696, 12384, 12771, 13158, 13464, 13932, 14256, 14688, 15136, 15147, 16082, 17028, 17544, 17952, 18576, 19737, 20196, 22032, 22704, 23392, 24123, 25542, 26316, 26928, 27864, 28512, 30294, 32164, 34056, 35088, 37152, 38313, 39474, 40392, 44064, 45408, 48246, 51084, 52632, 53856, 55728, 59211, 60588, 64328, 68112, 70176, 72369, 76626, 78948, 80784, 96492, 102168, 105264, 111456, 118422, 121176, 128656, 136224, 144738, 153252, 157896, 161568, 192984, 204336, 210528, 217107, 236844, 242352, 257312, 289476, 306504, 315792, 385968, 408672, 434214, 473688, 484704, 578952, 613008, 631584, 651321, 771936, 868428, 947376, 1157904, 1226016, 1302642, 1736856, 1894752, 2315808, 2605284, 3473712, 5210568, 6947424, 10421136, 20842272]

約数ペア:

[(1, 20842272), (2, 10421136), (3, 6947424), (4, 5210568), (6, 3473712), (8, 2605284), (9, 2315808), (11, 1894752), (12, 1736856), (16, 1302642), (17, 1226016), (18, 1157904), (22, 947376), (24, 868428), (27, 771936), (32, 651321), (33, 631584), (34, 613008), (36, 578952), (43, 484704), (44, 473688), (48, 434214), (51, 408672), (54, 385968), (66, 315792), (68, 306504), (72, 289476), (81, 257312), (86, 242352), (88, 236844), (96, 217107), (99, 210528), (102, 204336), (108, 192984), (129, 161568), (132, 157896), (136, 153252), (144, 144738), (153, 136224), (162, 128656), (172, 121176), (176, 118422), (187, 111456), (198, 105264), (204, 102168), (216, 96492), (258, 80784), (264, 78948), (272, 76626), (288, 72369), (297, 70176), (306, 68112), (324, 64328), (344, 60588), (352, 59211), (374, 55728), (387, 53856), (396, 52632), (408, 51084), (432, 48246), (459, 45408), (473, 44064), (516, 40392), (528, 39474), (544, 38313), (561, 37152), (594, 35088), (612, 34056), (648, 32164), (688, 30294), (731, 28512), (748, 27864), (774, 26928), (792, 26316), (816, 25542), (864, 24123), (891, 23392), (918, 22704), (946, 22032), (1032, 20196), (1056, 19737), (1122, 18576), (1161, 17952), (1188, 17544), (1224, 17028), (1296, 16082), (1376, 15147), (1377, 15136), (1419, 14688), (1462, 14256), (1496, 13932), (1548, 13464), (1584, 13158), (1632, 12771), (1683, 12384), (1782, 11696), (1836, 11352), (1892, 11016), (2064, 10098), (2193, 9504), (2244, 9288), (2322, 8976), (2376, 8772), (2448, 8514), (2592, 8041), (2754, 7568), (2838, 7344), (2924, 7128), (2992, 6966), (3096, 6732), (3168, 6579), (3366, 6192), (3483, 5984), (3564, 5848), (3672, 5676), (3784, 5508), (4128, 5049), (4257, 4896), (4386, 4752), (4488, 4644)]