20239156

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3380

約数の個数: 36

約数和(自身を含む): 42542976

約数和(自身を除く): 22303820

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3331, 6076, 6662, 13324, 23317, 46634, 93268, 103261, 163219, 206522, 326438, 413044, 652876, 722827, 1445654, 2891308, 5059789, 10119578, 20239156]

約数ペア:

[(1, 20239156), (2, 10119578), (4, 5059789), (7, 2891308), (14, 1445654), (28, 722827), (31, 652876), (49, 413044), (62, 326438), (98, 206522), (124, 163219), (196, 103261), (217, 93268), (434, 46634), (868, 23317), (1519, 13324), (3038, 6662), (3331, 6076)]