20388093117

素因数分解:

$3^1\times 7^2\times {\mathrm{13907}}^1\times {\mathrm{9973}}^1$

素因数の和:23897

約数の個数: 24

約数和(自身を含む): 31627793376

約数和(自身を除く): 11239700259

約数列:

[1, 3, 7, 21, 49, 147, 9973, 13907, 29919, 41721, 69811, 97349, 209433, 292047, 488677, 681443, 1466031, 2044329, 138694511, 416083533, 970861577, 2912584731, 6796031039, 20388093117]

約数ペア:

[(1, 20388093117), (3, 6796031039), (7, 2912584731), (21, 970861577), (49, 416083533), (147, 138694511), (9973, 2044329), (13907, 1466031), (29919, 681443), (41721, 488677), (69811, 292047), (97349, 209433)]