2013122020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1151}}^1$

素因数の和:1242

約数の個数: 144

約数和(自身を含む): 5381074944

約数和(自身を除く): 3367952924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 961, 1085, 1151, 1612, 1820, 1922, 2015, 2170, 2302, 2821, 3844, 4030, 4340, 4604, 4805, 5642, 5755, 6727, 8057, 8060, 9610, 11284, 11510, 12493, 13454, 14105, 14963, 16114, 19220, 23020, 24986, 26908, 28210, 29926, 32228, 33635, 35681, 40285, 49972, 56420, 59852, 62465, 67270, 71362, 74815, 80570, 87451, 104741, 124930, 134540, 142724, 149630, 161140, 174902, 178405, 209482, 249767, 249860, 299260, 349804, 356810, 418964, 437255, 463853, 499534, 523705, 713620, 874510, 927706, 999068, 1047410, 1106111, 1248835, 1749020, 1855412, 2094820, 2212222, 2319265, 2497670, 3246971, 4424444, 4638530, 4995340, 5530555, 6493942, 7742777, 9277060, 11061110, 12987884, 14379443, 15485554, 16234855, 22122220, 28758886, 30971108, 32469710, 38713885, 57517772, 64939420, 71897215, 77427770, 100656101, 143794430, 154855540, 201312202, 287588860, 402624404, 503280505, 1006561010, 2013122020]

約数ペア:

[(1, 2013122020), (2, 1006561010), (4, 503280505), (5, 402624404), (7, 287588860), (10, 201312202), (13, 154855540), (14, 143794430), (20, 100656101), (26, 77427770), (28, 71897215), (31, 64939420), (35, 57517772), (52, 38713885), (62, 32469710), (65, 30971108), (70, 28758886), (91, 22122220), (124, 16234855), (130, 15485554), (140, 14379443), (155, 12987884), (182, 11061110), (217, 9277060), (260, 7742777), (310, 6493942), (364, 5530555), (403, 4995340), (434, 4638530), (455, 4424444), (620, 3246971), (806, 2497670), (868, 2319265), (910, 2212222), (961, 2094820), (1085, 1855412), (1151, 1749020), (1612, 1248835), (1820, 1106111), (1922, 1047410), (2015, 999068), (2170, 927706), (2302, 874510), (2821, 713620), (3844, 523705), (4030, 499534), (4340, 463853), (4604, 437255), (4805, 418964), (5642, 356810), (5755, 349804), (6727, 299260), (8057, 249860), (8060, 249767), (9610, 209482), (11284, 178405), (11510, 174902), (12493, 161140), (13454, 149630), (14105, 142724), (14963, 134540), (16114, 124930), (19220, 104741), (23020, 87451), (24986, 80570), (26908, 74815), (28210, 71362), (29926, 67270), (32228, 62465), (33635, 59852), (35681, 56420), (40285, 49972)]