20689618376

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1\times {\mathrm{3083}}^1$

素因数の和:3798

約数の個数: 64

約数和(自身を含む): 44609443200

約数和(自身を除く): 23919824824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 409, 586, 818, 1172, 1636, 2051, 2344, 2863, 3083, 3272, 4102, 5726, 6166, 8204, 11452, 12332, 16408, 21581, 22904, 24664, 43162, 86324, 119837, 172648, 239674, 479348, 838859, 903319, 958696, 1260947, 1677718, 1806638, 2521894, 3355436, 3613276, 5043788, 6323233, 6710872, 7226552, 8826629, 10087576, 12646466, 17653258, 25292932, 35306516, 50585864, 70613032, 369457471, 738914942, 1477829884, 2586202297, 2955659768, 5172404594, 10344809188, 20689618376]

約数ペア:

[(1, 20689618376), (2, 10344809188), (4, 5172404594), (7, 2955659768), (8, 2586202297), (14, 1477829884), (28, 738914942), (56, 369457471), (293, 70613032), (409, 50585864), (586, 35306516), (818, 25292932), (1172, 17653258), (1636, 12646466), (2051, 10087576), (2344, 8826629), (2863, 7226552), (3083, 6710872), (3272, 6323233), (4102, 5043788), (5726, 3613276), (6166, 3355436), (8204, 2521894), (11452, 1806638), (12332, 1677718), (16408, 1260947), (21581, 958696), (22904, 903319), (24664, 838859), (43162, 479348), (86324, 239674), (119837, 172648)]