20026431880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{43321}}^1$

素因数の和:43479

約数の個数: 128

約数和(自身を含む): 55895777280

約数和(自身を除く): 35869345400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 127, 130, 140, 182, 254, 260, 280, 364, 455, 508, 520, 635, 728, 889, 910, 1016, 1270, 1651, 1778, 1820, 2540, 3302, 3556, 3640, 4445, 5080, 6604, 7112, 8255, 8890, 11557, 13208, 16510, 17780, 23114, 33020, 35560, 43321, 46228, 57785, 66040, 86642, 92456, 115570, 173284, 216605, 231140, 303247, 346568, 433210, 462280, 563173, 606494, 866420, 1126346, 1212988, 1516235, 1732840, 2252692, 2425976, 2815865, 3032470, 3942211, 4505384, 5501767, 5631730, 6064940, 7884422, 11003534, 11263460, 12129880, 15768844, 19711055, 22007068, 22526920, 27508835, 31537688, 38512369, 39422110, 44014136, 55017670, 71522971, 77024738, 78844220, 110035340, 143045942, 154049476, 157688440, 192561845, 220070680, 286091884, 308098952, 357614855, 385123690, 500660797, 572183768, 715229710, 770247380, 1001321594, 1430459420, 1540494760, 2002643188, 2503303985, 2860918840, 4005286376, 5006607970, 10013215940, 20026431880]

約数ペア:

[(1, 20026431880), (2, 10013215940), (4, 5006607970), (5, 4005286376), (7, 2860918840), (8, 2503303985), (10, 2002643188), (13, 1540494760), (14, 1430459420), (20, 1001321594), (26, 770247380), (28, 715229710), (35, 572183768), (40, 500660797), (52, 385123690), (56, 357614855), (65, 308098952), (70, 286091884), (91, 220070680), (104, 192561845), (127, 157688440), (130, 154049476), (140, 143045942), (182, 110035340), (254, 78844220), (260, 77024738), (280, 71522971), (364, 55017670), (455, 44014136), (508, 39422110), (520, 38512369), (635, 31537688), (728, 27508835), (889, 22526920), (910, 22007068), (1016, 19711055), (1270, 15768844), (1651, 12129880), (1778, 11263460), (1820, 11003534), (2540, 7884422), (3302, 6064940), (3556, 5631730), (3640, 5501767), (4445, 4505384), (5080, 3942211), (6604, 3032470), (7112, 2815865), (8255, 2425976), (8890, 2252692), (11557, 1732840), (13208, 1516235), (16510, 1212988), (17780, 1126346), (23114, 866420), (33020, 606494), (35560, 563173), (43321, 462280), (46228, 433210), (57785, 346568), (66040, 303247), (86642, 231140), (92456, 216605), (115570, 173284)]