20176985096

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{5101}}^1$

素因数の和:5670

約数の個数: 64

約数和(自身を含む): 40664980800

約数和(自身を除く): 20487995704

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 491, 982, 1007, 1964, 2014, 3928, 4028, 5101, 8056, 9329, 10202, 18658, 20404, 26023, 37316, 40808, 52046, 74632, 96919, 104092, 193838, 208184, 270353, 387676, 494437, 540706, 775352, 988874, 1081412, 1977748, 2162824, 2504591, 3955496, 5009182, 5136707, 10018364, 10273414, 20036728, 20546828, 41093656, 47587229, 95174458, 132743323, 190348916, 265486646, 380697832, 530973292, 1061946584, 2522123137, 5044246274, 10088492548, 20176985096]

約数ペア:

[(1, 20176985096), (2, 10088492548), (4, 5044246274), (8, 2522123137), (19, 1061946584), (38, 530973292), (53, 380697832), (76, 265486646), (106, 190348916), (152, 132743323), (212, 95174458), (424, 47587229), (491, 41093656), (982, 20546828), (1007, 20036728), (1964, 10273414), (2014, 10018364), (3928, 5136707), (4028, 5009182), (5101, 3955496), (8056, 2504591), (9329, 2162824), (10202, 1977748), (18658, 1081412), (20404, 988874), (26023, 775352), (37316, 540706), (40808, 494437), (52046, 387676), (74632, 270353), (96919, 208184), (104092, 193838)]