20553240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2903}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 42173160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2903, 3540, 5806, 7080, 8709, 11612, 14515, 17418, 23224, 29030, 34836, 43545, 58060, 69672, 87090, 116120, 171277, 174180, 342554, 348360, 513831, 685108, 856385, 1027662, 1370216, 1712770, 2055324, 2569155, 3425540, 4110648, 5138310, 6851080, 10276620, 20553240]

約数ペア:

[(1, 20553240), (2, 10276620), (3, 6851080), (4, 5138310), (5, 4110648), (6, 3425540), (8, 2569155), (10, 2055324), (12, 1712770), (15, 1370216), (20, 1027662), (24, 856385), (30, 685108), (40, 513831), (59, 348360), (60, 342554), (118, 174180), (120, 171277), (177, 116120), (236, 87090), (295, 69672), (354, 58060), (472, 43545), (590, 34836), (708, 29030), (885, 23224), (1180, 17418), (1416, 14515), (1770, 11612), (2360, 8709), (2903, 7080), (3540, 5806)]