20702265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^2$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 34354944

約数和(自身を除く): 13652679

約数列:

[1, 3, 5, 15, 31, 93, 155, 211, 465, 633, 1055, 3165, 6541, 19623, 32705, 44521, 98115, 133563, 222605, 667815, 1380151, 4140453, 6900755, 20702265]

約数ペア:

[(1, 20702265), (3, 6900755), (5, 4140453), (15, 1380151), (31, 667815), (93, 222605), (155, 133563), (211, 98115), (465, 44521), (633, 32705), (1055, 19623), (3165, 6541)]