20311448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81901}}^1$

素因数の和:81938

約数の個数: 16

約数和(自身を含む): 39312960

約数和(自身を除く): 19001512

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81901, 163802, 327604, 655208, 2538931, 5077862, 10155724, 20311448]

約数ペア:

[(1, 20311448), (2, 10155724), (4, 5077862), (8, 2538931), (31, 655208), (62, 327604), (124, 163802), (248, 81901)]