20165507919

素因数分解:

$3^2\times {\mathrm{251}}^1\times {\mathrm{503}}^1\times {\mathrm{17747}}^1$

素因数の和:18507

約数の個数: 24

約数和(自身を含む): 29303793792

約数和(自身を除く): 9138285873

約数列:

[1, 3, 9, 251, 503, 753, 1509, 2259, 4527, 17747, 53241, 126253, 159723, 378759, 1136277, 4454497, 8926741, 13363491, 26780223, 40090473, 80340669, 2240611991, 6721835973, 20165507919]

約数ペア:

[(1, 20165507919), (3, 6721835973), (9, 2240611991), (251, 80340669), (503, 40090473), (753, 26780223), (1509, 13363491), (2259, 8926741), (4527, 4454497), (17747, 1136277), (53241, 378759), (126253, 159723)]