20429656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196439}}^1$

素因数の和:196458

約数の個数: 16

約数和(自身を含む): 41252400

約数和(自身を除く): 20822744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196439, 392878, 785756, 1571512, 2553707, 5107414, 10214828, 20429656]

約数ペア:

[(1, 20429656), (2, 10214828), (4, 5107414), (8, 2553707), (13, 1571512), (26, 785756), (52, 392878), (104, 196439)]