20280491296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{299087}}^1$

素因数の和:299273

約数の個数: 48

約数和(自身を含む): 43262481024

約数和(自身を除く): 22981989728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 163, 208, 326, 416, 652, 1304, 2119, 2608, 4238, 5216, 8476, 16952, 33904, 67808, 299087, 598174, 1196348, 2392696, 3888131, 4785392, 7776262, 9570784, 15552524, 31105048, 48751181, 62210096, 97502362, 124420192, 195004724, 390009448, 633765353, 780018896, 1267530706, 1560037792, 2535061412, 5070122824, 10140245648, 20280491296]

約数ペア:

[(1, 20280491296), (2, 10140245648), (4, 5070122824), (8, 2535061412), (13, 1560037792), (16, 1267530706), (26, 780018896), (32, 633765353), (52, 390009448), (104, 195004724), (163, 124420192), (208, 97502362), (326, 62210096), (416, 48751181), (652, 31105048), (1304, 15552524), (2119, 9570784), (2608, 7776262), (4238, 4785392), (5216, 3888131), (8476, 2392696), (16952, 1196348), (33904, 598174), (67808, 299087)]