20123691808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{1873}}^1$

素因数の和:2258

約数の個数: 96

約数和(自身を含む): 43760388672

約数和(自身を除く): 23636696864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 131, 176, 233, 262, 352, 466, 524, 932, 1048, 1441, 1864, 1873, 2096, 2563, 2882, 3728, 3746, 4192, 5126, 5764, 7456, 7492, 10252, 11528, 14984, 20504, 20603, 23056, 29968, 30523, 41008, 41206, 46112, 59936, 61046, 82016, 82412, 122092, 164824, 244184, 245363, 329648, 335753, 436409, 488368, 490726, 659296, 671506, 872818, 976736, 981452, 1343012, 1745636, 1962904, 2686024, 2698993, 3491272, 3925808, 4800499, 5372048, 5397986, 6982544, 7851616, 9600998, 10744096, 10795972, 13965088, 19201996, 21591944, 38403992, 43183888, 57169579, 76807984, 86367776, 114339158, 153615968, 228678316, 457356632, 628865369, 914713264, 1257730738, 1829426528, 2515461476, 5030922952, 10061845904, 20123691808]

約数ペア:

[(1, 20123691808), (2, 10061845904), (4, 5030922952), (8, 2515461476), (11, 1829426528), (16, 1257730738), (22, 914713264), (32, 628865369), (44, 457356632), (88, 228678316), (131, 153615968), (176, 114339158), (233, 86367776), (262, 76807984), (352, 57169579), (466, 43183888), (524, 38403992), (932, 21591944), (1048, 19201996), (1441, 13965088), (1864, 10795972), (1873, 10744096), (2096, 9600998), (2563, 7851616), (2882, 6982544), (3728, 5397986), (3746, 5372048), (4192, 4800499), (5126, 3925808), (5764, 3491272), (7456, 2698993), (7492, 2686024), (10252, 1962904), (11528, 1745636), (14984, 1343012), (20504, 981452), (20603, 976736), (23056, 872818), (29968, 671506), (30523, 659296), (41008, 490726), (41206, 488368), (46112, 436409), (59936, 335753), (61046, 329648), (82016, 245363), (82412, 244184), (122092, 164824)]