20212712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194353}}^1$

素因数の和:194372

約数の個数: 16

約数和(自身を含む): 40814340

約数和(自身を除く): 20601628

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194353, 388706, 777412, 1554824, 2526589, 5053178, 10106356, 20212712]

約数ペア:

[(1, 20212712), (2, 10106356), (4, 5053178), (8, 2526589), (13, 1554824), (26, 777412), (52, 388706), (104, 194353)]