20084848

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 24599792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 461, 778, 922, 1556, 1844, 2723, 3112, 3227, 3688, 5446, 6224, 6454, 7376, 10892, 12908, 21784, 25816, 43568, 51632, 179329, 358658, 717316, 1255303, 1434632, 2510606, 2869264, 5021212, 10042424, 20084848]

約数ペア:

[(1, 20084848), (2, 10042424), (4, 5021212), (7, 2869264), (8, 2510606), (14, 1434632), (16, 1255303), (28, 717316), (56, 358658), (112, 179329), (389, 51632), (461, 43568), (778, 25816), (922, 21784), (1556, 12908), (1844, 10892), (2723, 7376), (3112, 6454), (3227, 6224), (3688, 5446)]