20176767940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{28099}}^1$

素因数の和:28361

約数の個数: 96

約数和(自身を含む): 50758041600

約数和(自身を除く): 30581273660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 223, 230, 322, 446, 460, 644, 805, 892, 1115, 1561, 1610, 2230, 3122, 3220, 4460, 5129, 6244, 7805, 10258, 15610, 20516, 25645, 28099, 31220, 35903, 51290, 56198, 71806, 102580, 112396, 140495, 143612, 179515, 196693, 280990, 359030, 393386, 561980, 646277, 718060, 786772, 983465, 1292554, 1966930, 2585108, 3231385, 3933860, 4523939, 6266077, 6462770, 9047878, 12532154, 12925540, 18095756, 22619695, 25064308, 31330385, 43862539, 45239390, 62660770, 87725078, 90478780, 125321540, 144119771, 175450156, 219312695, 288239542, 438625390, 576479084, 720598855, 877250780, 1008838397, 1441197710, 2017676794, 2882395420, 4035353588, 5044191985, 10088383970, 20176767940]

約数ペア:

[(1, 20176767940), (2, 10088383970), (4, 5044191985), (5, 4035353588), (7, 2882395420), (10, 2017676794), (14, 1441197710), (20, 1008838397), (23, 877250780), (28, 720598855), (35, 576479084), (46, 438625390), (70, 288239542), (92, 219312695), (115, 175450156), (140, 144119771), (161, 125321540), (223, 90478780), (230, 87725078), (322, 62660770), (446, 45239390), (460, 43862539), (644, 31330385), (805, 25064308), (892, 22619695), (1115, 18095756), (1561, 12925540), (1610, 12532154), (2230, 9047878), (3122, 6462770), (3220, 6266077), (4460, 4523939), (5129, 3933860), (6244, 3231385), (7805, 2585108), (10258, 1966930), (15610, 1292554), (20516, 983465), (25645, 786772), (28099, 718060), (31220, 646277), (35903, 561980), (51290, 393386), (56198, 359030), (71806, 280990), (102580, 196693), (112396, 179515), (140495, 143612)]