20786100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 60621120

約数和(自身を除く): 39835020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 193, 300, 359, 386, 579, 718, 772, 965, 1077, 1158, 1436, 1795, 1930, 2154, 2316, 2895, 3590, 3860, 4308, 4825, 5385, 5790, 7180, 8975, 9650, 10770, 11580, 14475, 17950, 19300, 21540, 26925, 28950, 35900, 53850, 57900, 69287, 107700, 138574, 207861, 277148, 346435, 415722, 692870, 831444, 1039305, 1385740, 1732175, 2078610, 3464350, 4157220, 5196525, 6928700, 10393050, 20786100]

約数ペア:

[(1, 20786100), (2, 10393050), (3, 6928700), (4, 5196525), (5, 4157220), (6, 3464350), (10, 2078610), (12, 1732175), (15, 1385740), (20, 1039305), (25, 831444), (30, 692870), (50, 415722), (60, 346435), (75, 277148), (100, 207861), (150, 138574), (193, 107700), (300, 69287), (359, 57900), (386, 53850), (579, 35900), (718, 28950), (772, 26925), (965, 21540), (1077, 19300), (1158, 17950), (1436, 14475), (1795, 11580), (1930, 10770), (2154, 9650), (2316, 8975), (2895, 7180), (3590, 5790), (3860, 5385), (4308, 4825)]