20441618

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{139}}^2$

素因数の和:326

約数の個数: 18

約数和(自身を含む): 32285799

約数和(自身を除く): 11844181

約数列:

[1, 2, 23, 46, 139, 278, 529, 1058, 3197, 6394, 19321, 38642, 73531, 147062, 444383, 888766, 10220809, 20441618]

約数ペア:

[(1, 20441618), (2, 10220809), (23, 888766), (46, 444383), (139, 147062), (278, 73531), (529, 38642), (1058, 19321), (3197, 6394)]