20205909309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{24133}}^1$

素因数の和:24589

約数の個数: 32

約数和(自身を含む): 29200209280

約数和(自身を除く): 8994299971

約数列:

[1, 3, 19, 37, 57, 111, 397, 703, 1191, 2109, 7543, 14689, 22629, 24133, 44067, 72399, 279091, 458527, 837273, 892921, 1375581, 2678763, 9580801, 16965499, 28742403, 50896497, 182035219, 354489637, 546105657, 1063468911, 6735303103, 20205909309]

約数ペア:

[(1, 20205909309), (3, 6735303103), (19, 1063468911), (37, 546105657), (57, 354489637), (111, 182035219), (397, 50896497), (703, 28742403), (1191, 16965499), (2109, 9580801), (7543, 2678763), (14689, 1375581), (22629, 892921), (24133, 837273), (44067, 458527), (72399, 279091)]