20260773

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 33175296

約数和(自身を除く): 12914523

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 271, 351, 639, 813, 923, 1053, 1917, 2439, 2769, 3523, 5751, 7317, 8307, 10569, 19241, 21951, 24921, 31707, 57723, 74763, 95121, 173169, 250133, 285363, 519507, 750399, 1558521, 2251197, 6753591, 20260773]

約数ペア:

[(1, 20260773), (3, 6753591), (9, 2251197), (13, 1558521), (27, 750399), (39, 519507), (71, 285363), (81, 250133), (117, 173169), (213, 95121), (271, 74763), (351, 57723), (639, 31707), (813, 24921), (923, 21951), (1053, 19241), (1917, 10569), (2439, 8307), (2769, 7317), (3523, 5751)]