20346482681

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1\times {\mathrm{647}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 24169218048

約数和(自身を除く): 3822735367

約数列:

[1, 7, 31, 217, 313, 463, 647, 2191, 3241, 4529, 9703, 14353, 20057, 67921, 100471, 140399, 144919, 202511, 299561, 1014433, 1417577, 2096927, 4492489, 6277841, 9286391, 31447423, 43944887, 65004737, 93762593, 656338151, 2906640383, 20346482681]

約数ペア:

[(1, 20346482681), (7, 2906640383), (31, 656338151), (217, 93762593), (313, 65004737), (463, 43944887), (647, 31447423), (2191, 9286391), (3241, 6277841), (4529, 4492489), (9703, 2096927), (14353, 1417577), (20057, 1014433), (67921, 299561), (100471, 202511), (140399, 144919)]