20411784

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{1783}}^1$

素因数の和:1851

約数の個数: 64

約数和(自身を含む): 57801600

約数和(自身を除く): 37389816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1783, 1908, 2862, 3566, 3816, 5349, 5724, 7132, 10698, 11448, 14264, 16047, 21396, 32094, 42792, 48141, 64188, 94499, 96282, 128376, 188998, 192564, 283497, 377996, 385128, 566994, 755992, 850491, 1133988, 1700982, 2267976, 2551473, 3401964, 5102946, 6803928, 10205892, 20411784]

約数ペア:

[(1, 20411784), (2, 10205892), (3, 6803928), (4, 5102946), (6, 3401964), (8, 2551473), (9, 2267976), (12, 1700982), (18, 1133988), (24, 850491), (27, 755992), (36, 566994), (53, 385128), (54, 377996), (72, 283497), (106, 192564), (108, 188998), (159, 128376), (212, 96282), (216, 94499), (318, 64188), (424, 48141), (477, 42792), (636, 32094), (954, 21396), (1272, 16047), (1431, 14264), (1783, 11448), (1908, 10698), (2862, 7132), (3566, 5724), (3816, 5349)]