20855056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76673}}^1$

素因数の和:76698

約数の個数: 20

約数和(自身を含む): 42784092

約数和(自身を除く): 21929036

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76673, 153346, 306692, 613384, 1226768, 1303441, 2606882, 5213764, 10427528, 20855056]

約数ペア:

[(1, 20855056), (2, 10427528), (4, 5213764), (8, 2606882), (16, 1303441), (17, 1226768), (34, 613384), (68, 306692), (136, 153346), (272, 76673)]