2020508728

素因数分解:

$2^3\times 7^4\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2914

約数の個数: 80

約数和(自身を含む): 4540645080

約数和(自身を除く): 2520136352

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 343, 392, 518, 686, 1036, 1372, 1813, 2072, 2401, 2744, 2843, 3626, 4802, 5686, 7252, 9604, 11372, 12691, 14504, 19208, 19901, 22744, 25382, 39802, 50764, 79604, 88837, 101528, 105191, 139307, 159208, 177674, 210382, 278614, 355348, 420764, 557228, 710696, 736337, 841528, 975149, 1114456, 1472674, 1950298, 2945348, 3900596, 5154359, 5890696, 6826043, 7801192, 10308718, 13652086, 20617436, 27304172, 36080513, 41234872, 54608344, 72161026, 144322052, 252563591, 288644104, 505127182, 1010254364, 2020508728]

約数ペア:

[(1, 2020508728), (2, 1010254364), (4, 505127182), (7, 288644104), (8, 252563591), (14, 144322052), (28, 72161026), (37, 54608344), (49, 41234872), (56, 36080513), (74, 27304172), (98, 20617436), (148, 13652086), (196, 10308718), (259, 7801192), (296, 6826043), (343, 5890696), (392, 5154359), (518, 3900596), (686, 2945348), (1036, 1950298), (1372, 1472674), (1813, 1114456), (2072, 975149), (2401, 841528), (2744, 736337), (2843, 710696), (3626, 557228), (4802, 420764), (5686, 355348), (7252, 278614), (9604, 210382), (11372, 177674), (12691, 159208), (14504, 139307), (19208, 105191), (19901, 101528), (22744, 88837), (25382, 79604), (39802, 50764)]