20373548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 42829920

約数和(自身を除く): 22456372

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1213, 1292, 2426, 4199, 4852, 8398, 15769, 16796, 20621, 23047, 31538, 41242, 46094, 63076, 82484, 92188, 268073, 299611, 391799, 536146, 599222, 783598, 1072292, 1198444, 1567196, 5093387, 10186774, 20373548]

約数ペア:

[(1, 20373548), (2, 10186774), (4, 5093387), (13, 1567196), (17, 1198444), (19, 1072292), (26, 783598), (34, 599222), (38, 536146), (52, 391799), (68, 299611), (76, 268073), (221, 92188), (247, 82484), (323, 63076), (442, 46094), (494, 41242), (646, 31538), (884, 23047), (988, 20621), (1213, 16796), (1292, 15769), (2426, 8398), (4199, 4852)]