20514936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 35933064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1399, 1833, 2444, 2798, 3666, 4197, 4888, 5596, 7332, 8394, 11192, 14664, 16788, 18187, 33576, 36374, 54561, 65753, 72748, 109122, 131506, 145496, 197259, 218244, 263012, 394518, 436488, 526024, 789036, 854789, 1578072, 1709578, 2564367, 3419156, 5128734, 6838312, 10257468, 20514936]

約数ペア:

[(1, 20514936), (2, 10257468), (3, 6838312), (4, 5128734), (6, 3419156), (8, 2564367), (12, 1709578), (13, 1578072), (24, 854789), (26, 789036), (39, 526024), (47, 436488), (52, 394518), (78, 263012), (94, 218244), (104, 197259), (141, 145496), (156, 131506), (188, 109122), (282, 72748), (312, 65753), (376, 54561), (564, 36374), (611, 33576), (1128, 18187), (1222, 16788), (1399, 14664), (1833, 11192), (2444, 8394), (2798, 7332), (3666, 5596), (4197, 4888)]