20124688

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29251}}^1$

素因数の和:29302

約数の個数: 20

約数和(自身を含む): 39899728

約数和(自身を除く): 19775040

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29251, 58502, 117004, 234008, 468016, 1257793, 2515586, 5031172, 10062344, 20124688]

約数ペア:

[(1, 20124688), (2, 10062344), (4, 5031172), (8, 2515586), (16, 1257793), (43, 468016), (86, 234008), (172, 117004), (344, 58502), (688, 29251)]