20447752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196613}}^1$

素因数の和:196632

約数の個数: 16

約数和(自身を含む): 41288940

約数和(自身を除く): 20841188

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196613, 393226, 786452, 1572904, 2555969, 5111938, 10223876, 20447752]

約数ペア:

[(1, 20447752), (2, 10223876), (4, 5111938), (8, 2555969), (13, 1572904), (26, 786452), (52, 393226), (104, 196613)]