20945016

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2999}}^1$

素因数の和:3108

約数の個数: 48

約数和(自身を含む): 57330000

約数和(自身を除く): 36384984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2999, 3492, 5998, 6984, 8997, 11996, 17994, 23992, 26991, 35988, 53982, 71976, 107964, 215928, 290903, 581806, 872709, 1163612, 1745418, 2327224, 2618127, 3490836, 5236254, 6981672, 10472508, 20945016]

約数ペア:

[(1, 20945016), (2, 10472508), (3, 6981672), (4, 5236254), (6, 3490836), (8, 2618127), (9, 2327224), (12, 1745418), (18, 1163612), (24, 872709), (36, 581806), (72, 290903), (97, 215928), (194, 107964), (291, 71976), (388, 53982), (582, 35988), (776, 26991), (873, 23992), (1164, 17994), (1746, 11996), (2328, 8997), (2999, 6984), (3492, 5998)]