20421641

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 2076919

約数列:

[1, 17, 47, 61, 419, 799, 1037, 2867, 7123, 19693, 25559, 48739, 334781, 434503, 1201273, 20421641]

約数ペア:

[(1, 20421641), (17, 1201273), (47, 434503), (61, 334781), (419, 48739), (799, 25559), (1037, 19693), (2867, 7123)]