20521164032

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{277373}}^1$

素因数の和:277423

約数の個数: 54

約数和(自身を含む): 43513600998

約数和(自身を除く): 22992436966

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 4352, 4624, 9248, 18496, 36992, 73984, 277373, 554746, 1109492, 2218984, 4437968, 4715341, 8875936, 9430682, 17751872, 18861364, 35503744, 37722728, 71007488, 75445456, 80160797, 150890912, 160321594, 301781824, 320643188, 603563648, 641286376, 1207127296, 1282572752, 2565145504, 5130291008, 10260582016, 20521164032]

約数ペア:

[(1, 20521164032), (2, 10260582016), (4, 5130291008), (8, 2565145504), (16, 1282572752), (17, 1207127296), (32, 641286376), (34, 603563648), (64, 320643188), (68, 301781824), (128, 160321594), (136, 150890912), (256, 80160797), (272, 75445456), (289, 71007488), (544, 37722728), (578, 35503744), (1088, 18861364), (1156, 17751872), (2176, 9430682), (2312, 8875936), (4352, 4715341), (4624, 4437968), (9248, 2218984), (18496, 1109492), (36992, 554746), (73984, 277373)]