20536659

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 56

約数和(自身を含む): 36357552

約数和(自身を除く): 15820893

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 197, 243, 297, 351, 429, 591, 729, 891, 1053, 1287, 1773, 2167, 2561, 2673, 3159, 3861, 5319, 6501, 7683, 8019, 9477, 11583, 15957, 19503, 23049, 28171, 34749, 47871, 58509, 69147, 84513, 104247, 143613, 175527, 207441, 253539, 526581, 622323, 760617, 1579743, 1866969, 2281851, 6845553, 20536659]

約数ペア:

[(1, 20536659), (3, 6845553), (9, 2281851), (11, 1866969), (13, 1579743), (27, 760617), (33, 622323), (39, 526581), (81, 253539), (99, 207441), (117, 175527), (143, 143613), (197, 104247), (243, 84513), (297, 69147), (351, 58509), (429, 47871), (591, 34749), (729, 28171), (891, 23049), (1053, 19503), (1287, 15957), (1773, 11583), (2167, 9477), (2561, 8019), (2673, 7683), (3159, 6501), (3861, 5319)]