2020101128

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{16267}}^1$

素因数の和:16354

約数の個数: 48

約数和(自身を含む): 4090751280

約数和(自身を除く): 2070650152

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 361, 722, 817, 1444, 1634, 2888, 3268, 6536, 15523, 16267, 31046, 32534, 62092, 65068, 124184, 130136, 309073, 618146, 699481, 1236292, 1398962, 2472584, 2797924, 5595848, 5872387, 11744774, 13290139, 23489548, 26580278, 46979096, 53160556, 106321112, 252512641, 505025282, 1010050564, 2020101128]

約数ペア:

[(1, 2020101128), (2, 1010050564), (4, 505025282), (8, 252512641), (19, 106321112), (38, 53160556), (43, 46979096), (76, 26580278), (86, 23489548), (152, 13290139), (172, 11744774), (344, 5872387), (361, 5595848), (722, 2797924), (817, 2472584), (1444, 1398962), (1634, 1236292), (2888, 699481), (3268, 618146), (6536, 309073), (15523, 130136), (16267, 124184), (31046, 65068), (32534, 62092)]