20136284900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{13913}}^1$

素因数の和:14321

約数の個数: 72

約数和(自身を含む): 44891517384

約数和(自身を除く): 24755232484

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 353, 410, 706, 820, 1025, 1412, 1765, 2050, 3530, 4100, 7060, 8825, 13913, 14473, 17650, 27826, 28946, 35300, 55652, 57892, 69565, 72365, 139130, 144730, 278260, 289460, 347825, 361825, 570433, 695650, 723650, 1140866, 1391300, 1447300, 2281732, 2852165, 4911289, 5704330, 9822578, 11408660, 14260825, 19645156, 24556445, 28521650, 49112890, 57043300, 98225780, 122782225, 201362849, 245564450, 402725698, 491128900, 805451396, 1006814245, 2013628490, 4027256980, 5034071225, 10068142450, 20136284900]

約数ペア:

[(1, 20136284900), (2, 10068142450), (4, 5034071225), (5, 4027256980), (10, 2013628490), (20, 1006814245), (25, 805451396), (41, 491128900), (50, 402725698), (82, 245564450), (100, 201362849), (164, 122782225), (205, 98225780), (353, 57043300), (410, 49112890), (706, 28521650), (820, 24556445), (1025, 19645156), (1412, 14260825), (1765, 11408660), (2050, 9822578), (3530, 5704330), (4100, 4911289), (7060, 2852165), (8825, 2281732), (13913, 1447300), (14473, 1391300), (17650, 1140866), (27826, 723650), (28946, 695650), (35300, 570433), (55652, 361825), (57892, 347825), (69565, 289460), (72365, 278260), (139130, 144730)]