20062940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24178180

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 569, 820, 860, 1138, 1763, 2276, 2845, 3526, 5690, 7052, 8815, 11380, 17630, 23329, 24467, 35260, 46658, 48934, 93316, 97868, 116645, 122335, 233290, 244670, 466580, 489340, 1003147, 2006294, 4012588, 5015735, 10031470, 20062940]

約数ペア:

[(1, 20062940), (2, 10031470), (4, 5015735), (5, 4012588), (10, 2006294), (20, 1003147), (41, 489340), (43, 466580), (82, 244670), (86, 233290), (164, 122335), (172, 116645), (205, 97868), (215, 93316), (410, 48934), (430, 46658), (569, 35260), (820, 24467), (860, 23329), (1138, 17630), (1763, 11380), (2276, 8815), (2845, 7052), (3526, 5690)]