20868208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42073}}^1$

素因数の和:42112

約数の個数: 20

約数和(自身を含む): 41737408

約数和(自身を除く): 20869200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42073, 84146, 168292, 336584, 673168, 1304263, 2608526, 5217052, 10434104, 20868208]

約数ペア:

[(1, 20868208), (2, 10434104), (4, 5217052), (8, 2608526), (16, 1304263), (31, 673168), (62, 336584), (124, 168292), (248, 84146), (496, 42073)]