20041364

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 41620992

約数和(自身を除く): 21579628

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 97, 157, 188, 194, 314, 329, 388, 628, 658, 679, 1099, 1316, 1358, 2198, 2716, 4396, 4559, 7379, 9118, 14758, 15229, 18236, 29516, 30458, 31913, 51653, 60916, 63826, 103306, 106603, 127652, 206612, 213206, 426412, 715763, 1431526, 2863052, 5010341, 10020682, 20041364]

約数ペア:

[(1, 20041364), (2, 10020682), (4, 5010341), (7, 2863052), (14, 1431526), (28, 715763), (47, 426412), (94, 213206), (97, 206612), (157, 127652), (188, 106603), (194, 103306), (314, 63826), (329, 60916), (388, 51653), (628, 31913), (658, 30458), (679, 29516), (1099, 18236), (1316, 15229), (1358, 14758), (2198, 9118), (2716, 7379), (4396, 4559)]