20731098528

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67211}}^1$

素因数の和:67257

約数の個数: 240

約数和(自身を含む): 73779418944

約数和(自身を除く): 53048320416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 224, 238, 252, 272, 288, 306, 324, 336, 357, 378, 408, 432, 459, 476, 504, 544, 567, 612, 648, 672, 714, 756, 816, 864, 918, 952, 1008, 1071, 1134, 1224, 1296, 1377, 1428, 1512, 1632, 1836, 1904, 2016, 2142, 2268, 2448, 2592, 2754, 2856, 3024, 3213, 3672, 3808, 4284, 4536, 4896, 5508, 5712, 6048, 6426, 7344, 8568, 9072, 9639, 11016, 11424, 12852, 14688, 17136, 18144, 19278, 22032, 25704, 34272, 38556, 44064, 51408, 67211, 77112, 102816, 134422, 154224, 201633, 268844, 308448, 403266, 470477, 537688, 604899, 806532, 940954, 1075376, 1142587, 1209798, 1411431, 1613064, 1814697, 1881908, 2150752, 2285174, 2419596, 2822862, 3226128, 3427761, 3629394, 3763816, 4234293, 4570348, 4839192, 5444091, 5645724, 6452256, 6855522, 7258788, 7527632, 7998109, 8468586, 9140696, 9678384, 10283283, 10888182, 11291448, 12702879, 13711044, 14517576, 15055264, 15996218, 16937172, 18281392, 19356768, 20566566, 21776364, 22582896, 23994327, 25405758, 27422088, 29035152, 30849849, 31992436, 33874344, 36562784, 38108637, 41133132, 43552728, 45165792, 47988654, 50811516, 54844176, 58070304, 61699698, 63984872, 67748688, 71982981, 76217274, 82266264, 87105456, 92549547, 95977308, 101623032, 109688352, 123399396, 127969744, 135497376, 143965962, 152434548, 164532528, 174210912, 185099094, 191954616, 203246064, 215948943, 246798792, 255939488, 287931924, 304869096, 329065056, 370198188, 383909232, 406492128, 431897886, 493597584, 575863848, 609738192, 647846829, 740396376, 767818464, 863795772, 987195168, 1151727696, 1219476384, 1295693658, 1480792752, 1727591544, 2303455392, 2591387316, 2961585504, 3455183088, 5182774632, 6910366176, 10365549264, 20731098528]

約数ペア:

[(1, 20731098528), (2, 10365549264), (3, 6910366176), (4, 5182774632), (6, 3455183088), (7, 2961585504), (8, 2591387316), (9, 2303455392), (12, 1727591544), (14, 1480792752), (16, 1295693658), (17, 1219476384), (18, 1151727696), (21, 987195168), (24, 863795772), (27, 767818464), (28, 740396376), (32, 647846829), (34, 609738192), (36, 575863848), (42, 493597584), (48, 431897886), (51, 406492128), (54, 383909232), (56, 370198188), (63, 329065056), (68, 304869096), (72, 287931924), (81, 255939488), (84, 246798792), (96, 215948943), (102, 203246064), (108, 191954616), (112, 185099094), (119, 174210912), (126, 164532528), (136, 152434548), (144, 143965962), (153, 135497376), (162, 127969744), (168, 123399396), (189, 109688352), (204, 101623032), (216, 95977308), (224, 92549547), (238, 87105456), (252, 82266264), (272, 76217274), (288, 71982981), (306, 67748688), (324, 63984872), (336, 61699698), (357, 58070304), (378, 54844176), (408, 50811516), (432, 47988654), (459, 45165792), (476, 43552728), (504, 41133132), (544, 38108637), (567, 36562784), (612, 33874344), (648, 31992436), (672, 30849849), (714, 29035152), (756, 27422088), (816, 25405758), (864, 23994327), (918, 22582896), (952, 21776364), (1008, 20566566), (1071, 19356768), (1134, 18281392), (1224, 16937172), (1296, 15996218), (1377, 15055264), (1428, 14517576), (1512, 13711044), (1632, 12702879), (1836, 11291448), (1904, 10888182), (2016, 10283283), (2142, 9678384), (2268, 9140696), (2448, 8468586), (2592, 7998109), (2754, 7527632), (2856, 7258788), (3024, 6855522), (3213, 6452256), (3672, 5645724), (3808, 5444091), (4284, 4839192), (4536, 4570348), (4896, 4234293), (5508, 3763816), (5712, 3629394), (6048, 3427761), (6426, 3226128), (7344, 2822862), (8568, 2419596), (9072, 2285174), (9639, 2150752), (11016, 1881908), (11424, 1814697), (12852, 1613064), (14688, 1411431), (17136, 1209798), (18144, 1142587), (19278, 1075376), (22032, 940954), (25704, 806532), (34272, 604899), (38556, 537688), (44064, 470477), (51408, 403266), (67211, 308448), (77112, 268844), (102816, 201633), (134422, 154224)]