20170387216

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{5639}}^1$

素因数の和:6056

約数の個数: 80

約数和(自身を含む): 45234604800

約数和(自身を除く): 25064217584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 293, 436, 586, 763, 872, 1172, 1526, 1744, 2051, 2344, 3052, 4102, 4688, 5639, 6104, 8204, 11278, 12208, 16408, 22556, 31937, 32816, 39473, 45112, 63874, 78946, 90224, 127748, 157892, 223559, 255496, 315784, 447118, 510992, 614651, 631568, 894236, 1229302, 1652227, 1788472, 2458604, 3304454, 3576944, 4302557, 4917208, 6608908, 8605114, 9834416, 11565589, 13217816, 17210228, 23131178, 26435632, 34420456, 46262356, 68840912, 92524712, 180092743, 185049424, 360185486, 720370972, 1260649201, 1440741944, 2521298402, 2881483888, 5042596804, 10085193608, 20170387216]

約数ペア:

[(1, 20170387216), (2, 10085193608), (4, 5042596804), (7, 2881483888), (8, 2521298402), (14, 1440741944), (16, 1260649201), (28, 720370972), (56, 360185486), (109, 185049424), (112, 180092743), (218, 92524712), (293, 68840912), (436, 46262356), (586, 34420456), (763, 26435632), (872, 23131178), (1172, 17210228), (1526, 13217816), (1744, 11565589), (2051, 9834416), (2344, 8605114), (3052, 6608908), (4102, 4917208), (4688, 4302557), (5639, 3576944), (6104, 3304454), (8204, 2458604), (11278, 1788472), (12208, 1652227), (16408, 1229302), (22556, 894236), (31937, 631568), (32816, 614651), (39473, 510992), (45112, 447118), (63874, 315784), (78946, 255496), (90224, 223559), (127748, 157892)]