20925112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201203}}^1$

素因数の和:201222

約数の個数: 16

約数和(自身を含む): 42252840

約数和(自身を除く): 21327728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201203, 402406, 804812, 1609624, 2615639, 5231278, 10462556, 20925112]

約数ペア:

[(1, 20925112), (2, 10462556), (4, 5231278), (8, 2615639), (13, 1609624), (26, 804812), (52, 402406), (104, 201203)]