20163654496

素因数分解:

$2^5\times {\mathrm{487}}^1\times {\mathrm{1293869}}^1$

素因数の和:1294366

約数の個数: 24

約数和(自身を含む): 39778739280

約数和(自身を除く): 19615084784

約数列:

[1, 2, 4, 8, 16, 32, 487, 974, 1948, 3896, 7792, 15584, 1293869, 2587738, 5175476, 10350952, 20701904, 41403808, 630114203, 1260228406, 2520456812, 5040913624, 10081827248, 20163654496]

約数ペア:

[(1, 20163654496), (2, 10081827248), (4, 5040913624), (8, 2520456812), (16, 1260228406), (32, 630114203), (487, 41403808), (974, 20701904), (1948, 10350952), (3896, 5175476), (7792, 2587738), (15584, 1293869)]