20508982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8863}}^1$

素因数の和:8967

約数の個数: 16

約数和(自身を含む): 33505920

約数和(自身を除く): 12996938

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8863, 17726, 115219, 230438, 788807, 1577614, 10254491, 20508982]

約数ペア:

[(1, 20508982), (2, 10254491), (13, 1577614), (26, 788807), (89, 230438), (178, 115219), (1157, 17726), (2314, 8863)]