20161497856

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{10567}}^1$

素因数の和:10869

約数の個数: 72

約数和(自身を含む): 41797919520

約数和(自身を除く): 21636421664

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 257, 464, 514, 928, 1028, 1856, 2056, 3712, 4112, 7424, 7453, 8224, 10567, 14906, 16448, 21134, 29812, 32896, 42268, 59624, 65792, 84536, 119248, 169072, 238496, 306443, 338144, 476992, 612886, 676288, 953984, 1225772, 1352576, 1907968, 2451544, 2705152, 2715719, 4903088, 5431438, 9806176, 10862876, 19612352, 21725752, 39224704, 43451504, 78449408, 78755851, 86903008, 157511702, 173806016, 315023404, 347612032, 630046808, 695224064, 1260093616, 2520187232, 5040374464, 10080748928, 20161497856]

約数ペア:

[(1, 20161497856), (2, 10080748928), (4, 5040374464), (8, 2520187232), (16, 1260093616), (29, 695224064), (32, 630046808), (58, 347612032), (64, 315023404), (116, 173806016), (128, 157511702), (232, 86903008), (256, 78755851), (257, 78449408), (464, 43451504), (514, 39224704), (928, 21725752), (1028, 19612352), (1856, 10862876), (2056, 9806176), (3712, 5431438), (4112, 4903088), (7424, 2715719), (7453, 2705152), (8224, 2451544), (10567, 1907968), (14906, 1352576), (16448, 1225772), (21134, 953984), (29812, 676288), (32896, 612886), (42268, 476992), (59624, 338144), (65792, 306443), (84536, 238496), (119248, 169072)]