20042715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 42418944

約数和(自身を除く): 22376229

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 49, 55, 67, 77, 105, 111, 147, 165, 185, 201, 231, 245, 259, 335, 385, 407, 469, 539, 555, 735, 737, 777, 1005, 1155, 1221, 1295, 1407, 1617, 1813, 2035, 2211, 2345, 2479, 2695, 2849, 3283, 3685, 3885, 5159, 5439, 6105, 7035, 7437, 8085, 8547, 9065, 9849, 11055, 12395, 14245, 15477, 16415, 17353, 19943, 25795, 27195, 27269, 36113, 37185, 42735, 49245, 52059, 59829, 77385, 81807, 86765, 99715, 108339, 121471, 136345, 180565, 190883, 260295, 299145, 364413, 409035, 541695, 572649, 607355, 954415, 1336181, 1822065, 2863245, 4008543, 6680905, 20042715]

約数ペア:

[(1, 20042715), (3, 6680905), (5, 4008543), (7, 2863245), (11, 1822065), (15, 1336181), (21, 954415), (33, 607355), (35, 572649), (37, 541695), (49, 409035), (55, 364413), (67, 299145), (77, 260295), (105, 190883), (111, 180565), (147, 136345), (165, 121471), (185, 108339), (201, 99715), (231, 86765), (245, 81807), (259, 77385), (335, 59829), (385, 52059), (407, 49245), (469, 42735), (539, 37185), (555, 36113), (735, 27269), (737, 27195), (777, 25795), (1005, 19943), (1155, 17353), (1221, 16415), (1295, 15477), (1407, 14245), (1617, 12395), (1813, 11055), (2035, 9849), (2211, 9065), (2345, 8547), (2479, 8085), (2695, 7437), (2849, 7035), (3283, 6105), (3685, 5439), (3885, 5159)]