20199089561

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2\times {\mathrm{281}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 24573362688

約数和(自身を除く): 4374273127

約数列:

[1, 7, 41, 47, 73, 281, 287, 329, 511, 1927, 1967, 2993, 3431, 5329, 11521, 13207, 13489, 20513, 20951, 24017, 37303, 80647, 92449, 140671, 143591, 218489, 250463, 541487, 841033, 964111, 984697, 1497449, 1529423, 1753241, 3790409, 5887231, 6748777, 10268983, 10482143, 39528551, 61395409, 70380103, 71882881, 276699857, 429767863, 492660721, 2885584223, 20199089561]

約数ペア:

[(1, 20199089561), (7, 2885584223), (41, 492660721), (47, 429767863), (73, 276699857), (281, 71882881), (287, 70380103), (329, 61395409), (511, 39528551), (1927, 10482143), (1967, 10268983), (2993, 6748777), (3431, 5887231), (5329, 3790409), (11521, 1753241), (13207, 1529423), (13489, 1497449), (20513, 984697), (20951, 964111), (24017, 841033), (37303, 541487), (80647, 250463), (92449, 218489), (140671, 143591)]