20978024

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4957}}^1$

素因数の和:5009

約数の個数: 24

約数和(自身を含む): 41126610

約数和(自身を除く): 20148586

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4957, 9914, 19828, 39656, 114011, 228022, 456044, 912088, 2622253, 5244506, 10489012, 20978024]

約数ペア:

[(1, 20978024), (2, 10489012), (4, 5244506), (8, 2622253), (23, 912088), (46, 456044), (92, 228022), (184, 114011), (529, 39656), (1058, 19828), (2116, 9914), (4232, 4957)]