20516605967

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 24839377920

約数和(自身を除く): 4322771953

約数列:

[1, 11, 13, 79, 107, 121, 143, 869, 1027, 1177, 1391, 1543, 1573, 8453, 9559, 11297, 12947, 15301, 16973, 20059, 92983, 109889, 121897, 124267, 165101, 168311, 186703, 220649, 1022813, 1208779, 1340867, 1584661, 1816111, 2146313, 2427139, 13042979, 13296569, 14749537, 17431271, 19977221, 23609443, 143472769, 169558727, 191743981, 259703873, 1578200459, 1865145997, 20516605967]

約数ペア:

[(1, 20516605967), (11, 1865145997), (13, 1578200459), (79, 259703873), (107, 191743981), (121, 169558727), (143, 143472769), (869, 23609443), (1027, 19977221), (1177, 17431271), (1391, 14749537), (1543, 13296569), (1573, 13042979), (8453, 2427139), (9559, 2146313), (11297, 1816111), (12947, 1584661), (15301, 1340867), (16973, 1208779), (20059, 1022813), (92983, 220649), (109889, 186703), (121897, 168311), (124267, 165101)]