20131582317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6977}}^1\times {\mathrm{12491}}^1$

素因数の和:19489

約数の個数: 32

約数和(自身を含む): 33472963584

約数和(自身を除く): 13341381267

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 6977, 12491, 20931, 37473, 48839, 76747, 87437, 137401, 146517, 230241, 262311, 412203, 537229, 961807, 1611687, 2885421, 87149707, 261449121, 610047949, 958646777, 1830143847, 2875940331, 6710527439, 20131582317]

約数ペア:

[(1, 20131582317), (3, 6710527439), (7, 2875940331), (11, 1830143847), (21, 958646777), (33, 610047949), (77, 261449121), (231, 87149707), (6977, 2885421), (12491, 1611687), (20931, 961807), (37473, 537229), (48839, 412203), (76747, 262311), (87437, 230241), (137401, 146517)]