20914677

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10709}}^1$

素因数の和:10753

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 14728203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10709, 32127, 74963, 96381, 224889, 331979, 674667, 995937, 2323853, 2987811, 6971559, 20914677]

約数ペア:

[(1, 20914677), (3, 6971559), (7, 2987811), (9, 2323853), (21, 995937), (31, 674667), (63, 331979), (93, 224889), (217, 96381), (279, 74963), (651, 32127), (1953, 10709)]