20106948680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{240169}}^1$

素因数の和:240223

約数の個数: 128

約数和(自身を含む): 58101926400

約数和(自身を除く): 37994977720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3220, 3640, 4186, 5980, 6440, 8372, 10465, 11960, 16744, 20930, 41860, 83720, 240169, 480338, 960676, 1200845, 1681183, 1921352, 2401690, 3122197, 3362366, 4803380, 5523887, 6244394, 6724732, 8405915, 9606760, 11047774, 12488788, 13449464, 15610985, 16811830, 21855379, 22095548, 24977576, 27619435, 31221970, 33623660, 38667209, 43710758, 44191096, 55238870, 62443940, 67247320, 71810531, 77334418, 87421516, 109276895, 110477740, 124887880, 143621062, 154668836, 174843032, 193336045, 218553790, 220955480, 287242124, 309337672, 359052655, 386672090, 437107580, 502673717, 574484248, 718105310, 773344180, 874215160, 1005347434, 1436210620, 1546688360, 2010694868, 2513368585, 2872421240, 4021389736, 5026737170, 10053474340, 20106948680]

約数ペア:

[(1, 20106948680), (2, 10053474340), (4, 5026737170), (5, 4021389736), (7, 2872421240), (8, 2513368585), (10, 2010694868), (13, 1546688360), (14, 1436210620), (20, 1005347434), (23, 874215160), (26, 773344180), (28, 718105310), (35, 574484248), (40, 502673717), (46, 437107580), (52, 386672090), (56, 359052655), (65, 309337672), (70, 287242124), (91, 220955480), (92, 218553790), (104, 193336045), (115, 174843032), (130, 154668836), (140, 143621062), (161, 124887880), (182, 110477740), (184, 109276895), (230, 87421516), (260, 77334418), (280, 71810531), (299, 67247320), (322, 62443940), (364, 55238870), (455, 44191096), (460, 43710758), (520, 38667209), (598, 33623660), (644, 31221970), (728, 27619435), (805, 24977576), (910, 22095548), (920, 21855379), (1196, 16811830), (1288, 15610985), (1495, 13449464), (1610, 12488788), (1820, 11047774), (2093, 9606760), (2392, 8405915), (2990, 6724732), (3220, 6244394), (3640, 5523887), (4186, 4803380), (5980, 3362366), (6440, 3122197), (8372, 2401690), (10465, 1921352), (11960, 1681183), (16744, 1200845), (20930, 960676), (41860, 480338), (83720, 240169)]