20142942028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{7823}}^1$

素因数の和:8398

約数の個数: 48

約数和(自身を含む): 38828321280

約数和(自身を除く): 18685379252

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 421, 556, 842, 1529, 1684, 3058, 4631, 6116, 7823, 9262, 15646, 18524, 31292, 58519, 86053, 117038, 172106, 234076, 344212, 643709, 1087397, 1287418, 2174794, 2574836, 3293483, 4349588, 6586966, 11961367, 13173932, 23922734, 36228313, 47845468, 72456626, 144913252, 457794137, 915588274, 1831176548, 5035735507, 10071471014, 20142942028]

約数ペア:

[(1, 20142942028), (2, 10071471014), (4, 5035735507), (11, 1831176548), (22, 915588274), (44, 457794137), (139, 144913252), (278, 72456626), (421, 47845468), (556, 36228313), (842, 23922734), (1529, 13173932), (1684, 11961367), (3058, 6586966), (4631, 4349588), (6116, 3293483), (7823, 2574836), (9262, 2174794), (15646, 1287418), (18524, 1087397), (31292, 643709), (58519, 344212), (86053, 234076), (117038, 172106)]