20133185540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2\times {\mathrm{4801}}^1$

素因数の和:5077

約数の個数: 72

約数和(自身を含む): 45902875032

約数和(自身を除く): 25769689492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 4801, 6604, 8255, 9602, 16129, 16510, 19204, 24005, 32258, 33020, 48010, 62413, 64516, 80645, 96020, 124826, 161290, 209677, 249652, 312065, 322580, 419354, 609727, 624130, 838708, 1048385, 1219454, 1248260, 2096770, 2438908, 3048635, 4193540, 6097270, 7926451, 12194540, 15852902, 31705804, 39632255, 77435329, 79264510, 154870658, 158529020, 309741316, 387176645, 774353290, 1006659277, 1548706580, 2013318554, 4026637108, 5033296385, 10066592770, 20133185540]

約数ペア:

[(1, 20133185540), (2, 10066592770), (4, 5033296385), (5, 4026637108), (10, 2013318554), (13, 1548706580), (20, 1006659277), (26, 774353290), (52, 387176645), (65, 309741316), (127, 158529020), (130, 154870658), (254, 79264510), (260, 77435329), (508, 39632255), (635, 31705804), (1270, 15852902), (1651, 12194540), (2540, 7926451), (3302, 6097270), (4801, 4193540), (6604, 3048635), (8255, 2438908), (9602, 2096770), (16129, 1248260), (16510, 1219454), (19204, 1048385), (24005, 838708), (32258, 624130), (33020, 609727), (48010, 419354), (62413, 322580), (64516, 312065), (80645, 249652), (96020, 209677), (124826, 161290)]