20409964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 36994608

約数和(自身を除く): 16584644

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1283, 2566, 3977, 5132, 7954, 15908, 52603, 105206, 124451, 210412, 248902, 497804, 5102491, 10204982, 20409964]

約数ペア:

[(1, 20409964), (2, 10204982), (4, 5102491), (41, 497804), (82, 248902), (97, 210412), (164, 124451), (194, 105206), (388, 52603), (1283, 15908), (2566, 7954), (3977, 5132)]