20118181212

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1613}}^1\times {\mathrm{1741}}^1$

素因数の和:3563

約数の個数: 72

約数和(自身を含む): 51170901600

約数和(自身を除く): 31052720388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1613, 1741, 1791, 2388, 3226, 3482, 3582, 4839, 5223, 6452, 6964, 7164, 9678, 10446, 14517, 15669, 19356, 20892, 29034, 31338, 58068, 62676, 320987, 346459, 641974, 692918, 962961, 1039377, 1283948, 1385836, 1925922, 2078754, 2808233, 2888883, 3118131, 3851844, 4157508, 5616466, 5777766, 6236262, 8424699, 11232932, 11555532, 12472524, 16849398, 25274097, 33698796, 50548194, 101096388, 558838367, 1117676734, 1676515101, 2235353468, 3353030202, 5029545303, 6706060404, 10059090606, 20118181212]

約数ペア:

[(1, 20118181212), (2, 10059090606), (3, 6706060404), (4, 5029545303), (6, 3353030202), (9, 2235353468), (12, 1676515101), (18, 1117676734), (36, 558838367), (199, 101096388), (398, 50548194), (597, 33698796), (796, 25274097), (1194, 16849398), (1613, 12472524), (1741, 11555532), (1791, 11232932), (2388, 8424699), (3226, 6236262), (3482, 5777766), (3582, 5616466), (4839, 4157508), (5223, 3851844), (6452, 3118131), (6964, 2888883), (7164, 2808233), (9678, 2078754), (10446, 1925922), (14517, 1385836), (15669, 1283948), (19356, 1039377), (20892, 962961), (29034, 692918), (31338, 641974), (58068, 346459), (62676, 320987)]