20736208

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7951}}^1$

素因数の和:8122

約数の個数: 20

約数和(自身を含む): 40427968

約数和(自身を除く): 19691760

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7951, 15902, 31804, 63608, 127216, 1296013, 2592026, 5184052, 10368104, 20736208]

約数ペア:

[(1, 20736208), (2, 10368104), (4, 5184052), (8, 2592026), (16, 1296013), (163, 127216), (326, 63608), (652, 31804), (1304, 15902), (2608, 7951)]