20557960384

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{31159}}^1$

素因数の和:31258

約数の個数: 84

約数和(自身を含む): 44899752720

約数和(自身を除く): 24341792336

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 169, 208, 244, 338, 416, 488, 676, 793, 832, 976, 1352, 1586, 1952, 2704, 3172, 3904, 5408, 6344, 10309, 10816, 12688, 20618, 25376, 31159, 41236, 50752, 62318, 82472, 124636, 164944, 249272, 329888, 405067, 498544, 659776, 810134, 997088, 1620268, 1900699, 1994176, 3240536, 3801398, 5265871, 6481072, 7602796, 10531742, 12962144, 15205592, 21063484, 24709087, 25924288, 30411184, 42126968, 49418174, 60822368, 84253936, 98836348, 121644736, 168507872, 197672696, 321218131, 337015744, 395345392, 642436262, 790690784, 1284872524, 1581381568, 2569745048, 5139490096, 10278980192, 20557960384]

約数ペア:

[(1, 20557960384), (2, 10278980192), (4, 5139490096), (8, 2569745048), (13, 1581381568), (16, 1284872524), (26, 790690784), (32, 642436262), (52, 395345392), (61, 337015744), (64, 321218131), (104, 197672696), (122, 168507872), (169, 121644736), (208, 98836348), (244, 84253936), (338, 60822368), (416, 49418174), (488, 42126968), (676, 30411184), (793, 25924288), (832, 24709087), (976, 21063484), (1352, 15205592), (1586, 12962144), (1952, 10531742), (2704, 7602796), (3172, 6481072), (3904, 5265871), (5408, 3801398), (6344, 3240536), (10309, 1994176), (10816, 1900699), (12688, 1620268), (20618, 997088), (25376, 810134), (31159, 659776), (41236, 498544), (50752, 405067), (62318, 329888), (82472, 249272), (124636, 164944)]