20587484

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2053}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 37957920

約数和(自身を除く): 17370436

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 2053, 2507, 4106, 5014, 8212, 10028, 47219, 94438, 188876, 223777, 447554, 895108, 5146871, 10293742, 20587484]

約数ペア:

[(1, 20587484), (2, 10293742), (4, 5146871), (23, 895108), (46, 447554), (92, 223777), (109, 188876), (218, 94438), (436, 47219), (2053, 10028), (2507, 8212), (4106, 5014)]