20180643945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{1279}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 42467328000

約数和(自身を除く): 22286684055

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 231, 285, 385, 399, 627, 665, 719, 1045, 1155, 1279, 1463, 1995, 2157, 3135, 3595, 3837, 4389, 5033, 6395, 7315, 7909, 8953, 10785, 13661, 14069, 15099, 19185, 21945, 23727, 24301, 25165, 26859, 39545, 40983, 42207, 44765, 55363, 68305, 70345, 72903, 75495, 95627, 98483, 118635, 121505, 134295, 150271, 166089, 170107, 204915, 211035, 267311, 276815, 286881, 295449, 364515, 450813, 478135, 492415, 510321, 751355, 801933, 830445, 850535, 919601, 1051897, 1336555, 1434405, 1477245, 1871177, 2254065, 2551605, 2758803, 3155691, 4009665, 4598005, 5259485, 5613531, 6437207, 9355885, 10115611, 13794015, 15778455, 17472419, 19311621, 28067655, 30346833, 32186035, 50578055, 52417257, 70809277, 87362095, 96558105, 122306933, 151734165, 192196609, 212427831, 262086285, 354046385, 366920799, 576589827, 611534665, 960983045, 1062139155, 1345376263, 1834603995, 2882949135, 4036128789, 6726881315, 20180643945]

約数ペア:

[(1, 20180643945), (3, 6726881315), (5, 4036128789), (7, 2882949135), (11, 1834603995), (15, 1345376263), (19, 1062139155), (21, 960983045), (33, 611534665), (35, 576589827), (55, 366920799), (57, 354046385), (77, 262086285), (95, 212427831), (105, 192196609), (133, 151734165), (165, 122306933), (209, 96558105), (231, 87362095), (285, 70809277), (385, 52417257), (399, 50578055), (627, 32186035), (665, 30346833), (719, 28067655), (1045, 19311621), (1155, 17472419), (1279, 15778455), (1463, 13794015), (1995, 10115611), (2157, 9355885), (3135, 6437207), (3595, 5613531), (3837, 5259485), (4389, 4598005), (5033, 4009665), (6395, 3155691), (7315, 2758803), (7909, 2551605), (8953, 2254065), (10785, 1871177), (13661, 1477245), (14069, 1434405), (15099, 1336555), (19185, 1051897), (21945, 919601), (23727, 850535), (24301, 830445), (25165, 801933), (26859, 751355), (39545, 510321), (40983, 492415), (42207, 478135), (44765, 450813), (55363, 364515), (68305, 295449), (70345, 286881), (72903, 276815), (75495, 267311), (95627, 211035), (98483, 204915), (118635, 170107), (121505, 166089), (134295, 150271)]