20606278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 41025024

約数和(自身を除く): 20418746

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 463, 578, 926, 1309, 2023, 2618, 3179, 3241, 4046, 5093, 6358, 6482, 7871, 10186, 15742, 22253, 35651, 44506, 55097, 71302, 86581, 110194, 133807, 173162, 267614, 606067, 936649, 1212134, 1471877, 1873298, 2943754, 10303139, 20606278]

約数ペア:

[(1, 20606278), (2, 10303139), (7, 2943754), (11, 1873298), (14, 1471877), (17, 1212134), (22, 936649), (34, 606067), (77, 267614), (119, 173162), (154, 133807), (187, 110194), (238, 86581), (289, 71302), (374, 55097), (463, 44506), (578, 35651), (926, 22253), (1309, 15742), (2023, 10186), (2618, 7871), (3179, 6482), (3241, 6358), (4046, 5093)]