20153868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3581}}^1$

素因数の和:3662

約数の個数: 48

約数和(自身を含む): 54561024

約数和(自身を除く): 34407156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3581, 5628, 7162, 10743, 14324, 21486, 25067, 42972, 50134, 75201, 100268, 150402, 239927, 300804, 479854, 719781, 959708, 1439562, 1679489, 2879124, 3358978, 5038467, 6717956, 10076934, 20153868]

約数ペア:

[(1, 20153868), (2, 10076934), (3, 6717956), (4, 5038467), (6, 3358978), (7, 2879124), (12, 1679489), (14, 1439562), (21, 959708), (28, 719781), (42, 479854), (67, 300804), (84, 239927), (134, 150402), (201, 100268), (268, 75201), (402, 50134), (469, 42972), (804, 25067), (938, 21486), (1407, 14324), (1876, 10743), (2814, 7162), (3581, 5628)]