20565521865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{463031}}^1$

素因数の和:463099

約数の個数: 64

約数和(自身を含む): 42673029120

約数和(自身を除く): 22107507255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 705, 945, 987, 1269, 1645, 2115, 2961, 4935, 6345, 8883, 14805, 44415, 463031, 1389093, 2315155, 3241217, 4167279, 6945465, 9723651, 12501837, 16206085, 20836395, 21762457, 29170953, 48618255, 62509185, 65287371, 87512859, 108812285, 145854765, 152337199, 195862113, 326436855, 437564295, 457011597, 587586339, 761685995, 979310565, 1371034791, 2285057985, 2937931695, 4113104373, 6855173955, 20565521865]

約数ペア:

[(1, 20565521865), (3, 6855173955), (5, 4113104373), (7, 2937931695), (9, 2285057985), (15, 1371034791), (21, 979310565), (27, 761685995), (35, 587586339), (45, 457011597), (47, 437564295), (63, 326436855), (105, 195862113), (135, 152337199), (141, 145854765), (189, 108812285), (235, 87512859), (315, 65287371), (329, 62509185), (423, 48618255), (705, 29170953), (945, 21762457), (987, 20836395), (1269, 16206085), (1645, 12501837), (2115, 9723651), (2961, 6945465), (4935, 4167279), (6345, 3241217), (8883, 2315155), (14805, 1389093), (44415, 463031)]