20727497928

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1\times {\mathrm{1669}}^1$

素因数の和:2255

約数の個数: 128

約数和(自身を含む): 55911600000

約数和(自身を除く): 35184102072

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 183, 204, 244, 366, 408, 488, 499, 732, 998, 1037, 1464, 1497, 1669, 1996, 2074, 2994, 3111, 3338, 3992, 4148, 5007, 5988, 6222, 6676, 8296, 8483, 10014, 11976, 12444, 13352, 16966, 20028, 24888, 25449, 28373, 30439, 33932, 40056, 50898, 56746, 60878, 67864, 85119, 91317, 101796, 101809, 113492, 121756, 170238, 182634, 203592, 203618, 226984, 243512, 305427, 340476, 365268, 407236, 517463, 610854, 680952, 730536, 814472, 832831, 1034926, 1221708, 1552389, 1665662, 1730753, 2069852, 2443416, 2498493, 3104778, 3331324, 3461506, 4139704, 4996986, 5192259, 6209556, 6662648, 6923012, 9993972, 10384518, 12419112, 13846024, 14158127, 19987944, 20769036, 28316254, 41538072, 42474381, 50802691, 56632508, 84948762, 101605382, 113265016, 152408073, 169897524, 203210764, 304816146, 339795048, 406421528, 609632292, 863645747, 1219264584, 1727291494, 2590937241, 3454582988, 5181874482, 6909165976, 10363748964, 20727497928]

約数ペア:

[(1, 20727497928), (2, 10363748964), (3, 6909165976), (4, 5181874482), (6, 3454582988), (8, 2590937241), (12, 1727291494), (17, 1219264584), (24, 863645747), (34, 609632292), (51, 406421528), (61, 339795048), (68, 304816146), (102, 203210764), (122, 169897524), (136, 152408073), (183, 113265016), (204, 101605382), (244, 84948762), (366, 56632508), (408, 50802691), (488, 42474381), (499, 41538072), (732, 28316254), (998, 20769036), (1037, 19987944), (1464, 14158127), (1497, 13846024), (1669, 12419112), (1996, 10384518), (2074, 9993972), (2994, 6923012), (3111, 6662648), (3338, 6209556), (3992, 5192259), (4148, 4996986), (5007, 4139704), (5988, 3461506), (6222, 3331324), (6676, 3104778), (8296, 2498493), (8483, 2443416), (10014, 2069852), (11976, 1730753), (12444, 1665662), (13352, 1552389), (16966, 1221708), (20028, 1034926), (24888, 832831), (25449, 814472), (28373, 730536), (30439, 680952), (33932, 610854), (40056, 517463), (50898, 407236), (56746, 365268), (60878, 340476), (67864, 305427), (85119, 243512), (91317, 226984), (101796, 203618), (101809, 203592), (113492, 182634), (121756, 170238)]