20567990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17689930

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 491, 590, 710, 982, 2455, 4189, 4910, 8378, 20945, 28969, 34861, 41890, 57938, 69722, 144845, 174305, 289690, 348610, 2056799, 4113598, 10283995, 20567990]

約数ペア:

[(1, 20567990), (2, 10283995), (5, 4113598), (10, 2056799), (59, 348610), (71, 289690), (118, 174305), (142, 144845), (295, 69722), (355, 57938), (491, 41890), (590, 34861), (710, 28969), (982, 20945), (2455, 8378), (4189, 4910)]