20686077

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{911}}^1$

素因数の和:978

約数の個数: 24

約数和(自身を含む): 31774080

約数和(自身を除く): 11088003

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 841, 911, 2523, 2733, 7569, 8199, 22707, 24597, 26419, 79257, 237771, 713313, 766151, 2298453, 6895359, 20686077]

約数ペア:

[(1, 20686077), (3, 6895359), (9, 2298453), (27, 766151), (29, 713313), (87, 237771), (261, 79257), (783, 26419), (841, 24597), (911, 22707), (2523, 8199), (2733, 7569)]