20469813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 33981696

約数和(自身を除く): 13511883

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 773, 1261, 2037, 2319, 3783, 5411, 8827, 10049, 16233, 26481, 30147, 70343, 74981, 211029, 224943, 524867, 974753, 1574601, 2924259, 6823271, 20469813]

約数ペア:

[(1, 20469813), (3, 6823271), (7, 2924259), (13, 1574601), (21, 974753), (39, 524867), (91, 224943), (97, 211029), (273, 74981), (291, 70343), (679, 30147), (773, 26481), (1261, 16233), (2037, 10049), (2319, 8827), (3783, 5411)]