20421033

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9547}}^1$

素因数の和:9604

約数の個数: 16

約数和(自身を含む): 29331456

約数和(自身を除く): 8910423

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9547, 28641, 219581, 295957, 658743, 887871, 6807011, 20421033]

約数ペア:

[(1, 20421033), (3, 6807011), (23, 887871), (31, 658743), (69, 295957), (93, 219581), (713, 28641), (2139, 9547)]