20931632

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10301}}^1$

素因数の和:10436

約数の個数: 20

約数和(自身を含む): 40878336

約数和(自身を除く): 19946704

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10301, 20602, 41204, 82408, 164816, 1308227, 2616454, 5232908, 10465816, 20931632]

約数ペア:

[(1, 20931632), (2, 10465816), (4, 5232908), (8, 2616454), (16, 1308227), (127, 164816), (254, 82408), (508, 41204), (1016, 20602), (2032, 10301)]