20102667

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 30632448

約数和(自身を除く): 10529781

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 307, 897, 921, 949, 1679, 2847, 3991, 5037, 7061, 11973, 21183, 21827, 22411, 65481, 67233, 91793, 275379, 291343, 515453, 874029, 1546359, 6700889, 20102667]

約数ペア:

[(1, 20102667), (3, 6700889), (13, 1546359), (23, 874029), (39, 515453), (69, 291343), (73, 275379), (219, 91793), (299, 67233), (307, 65481), (897, 22411), (921, 21827), (949, 21183), (1679, 11973), (2847, 7061), (3991, 5037)]