20884458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26171}}^1$

素因数の和:26202

約数の個数: 32

約数和(自身を含む): 50250240

約数和(自身を除く): 29365782

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26171, 52342, 78513, 157026, 183197, 366394, 497249, 549591, 994498, 1099182, 1491747, 2983494, 3480743, 6961486, 10442229, 20884458]

約数ペア:

[(1, 20884458), (2, 10442229), (3, 6961486), (6, 3480743), (7, 2983494), (14, 1491747), (19, 1099182), (21, 994498), (38, 549591), (42, 497249), (57, 366394), (114, 183197), (133, 157026), (266, 78513), (399, 52342), (798, 26171)]