20984188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13417}}^1$

素因数の和:13461

約数の個数: 24

約数和(自身を含む): 40576032

約数和(自身を除く): 19591844

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13417, 26834, 53668, 228089, 308591, 456178, 617182, 912356, 1234364, 5246047, 10492094, 20984188]

約数ペア:

[(1, 20984188), (2, 10492094), (4, 5246047), (17, 1234364), (23, 912356), (34, 617182), (46, 456178), (68, 308591), (92, 228089), (391, 53668), (782, 26834), (1564, 13417)]