20619484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2797}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 38388560

約数和(自身を除く): 17769076

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2797, 3686, 5594, 7372, 11188, 53143, 106286, 212572, 271309, 542618, 1085236, 5154871, 10309742, 20619484]

約数ペア:

[(1, 20619484), (2, 10309742), (4, 5154871), (19, 1085236), (38, 542618), (76, 271309), (97, 212572), (194, 106286), (388, 53143), (1843, 11188), (2797, 7372), (3686, 5594)]