20008959607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1\times {\mathrm{1409}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 24879980160

約数和(自身を除く): 4871020553

約数列:

[1, 7, 13, 91, 113, 791, 1381, 1409, 1469, 9667, 9863, 10283, 17953, 18317, 125671, 128219, 156053, 159217, 1092371, 1114519, 1945829, 2028689, 2069821, 13620803, 14200823, 14488747, 25295777, 177070439, 219878677, 1539150739, 2858422801, 20008959607]

約数ペア:

[(1, 20008959607), (7, 2858422801), (13, 1539150739), (91, 219878677), (113, 177070439), (791, 25295777), (1381, 14488747), (1409, 14200823), (1469, 13620803), (9667, 2069821), (9863, 2028689), (10283, 1945829), (17953, 1114519), (18317, 1092371), (125671, 159217), (128219, 156053)]