20023551

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11310849

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 509, 837, 1269, 1457, 1527, 4371, 4581, 13113, 13743, 15779, 23923, 39339, 47337, 71769, 142011, 215307, 426033, 645921, 741613, 2224839, 6674517, 20023551]

約数ペア:

[(1, 20023551), (3, 6674517), (9, 2224839), (27, 741613), (31, 645921), (47, 426033), (93, 215307), (141, 142011), (279, 71769), (423, 47337), (509, 39339), (837, 23923), (1269, 15779), (1457, 13743), (1527, 13113), (4371, 4581)]