20265208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 39900960

約数和(自身を除く): 19635752

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 241, 457, 482, 914, 964, 1828, 1928, 3656, 5543, 10511, 11086, 21022, 22172, 42044, 44344, 84088, 110137, 220274, 440548, 881096, 2533151, 5066302, 10132604, 20265208]

約数ペア:

[(1, 20265208), (2, 10132604), (4, 5066302), (8, 2533151), (23, 881096), (46, 440548), (92, 220274), (184, 110137), (241, 84088), (457, 44344), (482, 42044), (914, 22172), (964, 21022), (1828, 11086), (1928, 10511), (3656, 5543)]