20970467874

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1951}}^1\times {\mathrm{16139}}^1$

素因数の和:18135

約数の個数: 48

約数和(自身を含む): 46690824960

約数和(自身を除く): 25720357086

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 1951, 3902, 5853, 11706, 16139, 17559, 32278, 35118, 48417, 72187, 96834, 144374, 145251, 216561, 290502, 433122, 597143, 649683, 1194286, 1299366, 1791429, 3582858, 5374287, 10748574, 31487189, 62974378, 94461567, 188923134, 283384701, 566769402, 1165025993, 2330051986, 3495077979, 6990155958, 10485233937, 20970467874]

約数ペア:

[(1, 20970467874), (2, 10485233937), (3, 6990155958), (6, 3495077979), (9, 2330051986), (18, 1165025993), (37, 566769402), (74, 283384701), (111, 188923134), (222, 94461567), (333, 62974378), (666, 31487189), (1951, 10748574), (3902, 5374287), (5853, 3582858), (11706, 1791429), (16139, 1299366), (17559, 1194286), (32278, 649683), (35118, 597143), (48417, 433122), (72187, 290502), (96834, 216561), (144374, 145251)]