19975700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3836

約数の個数: 36

約数和(自身を含む): 44176860

約数和(自身を除く): 24201160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3769, 5300, 7538, 15076, 18845, 37690, 75380, 94225, 188450, 199757, 376900, 399514, 799028, 998785, 1997570, 3995140, 4993925, 9987850, 19975700]

約数ペア:

[(1, 19975700), (2, 9987850), (4, 4993925), (5, 3995140), (10, 1997570), (20, 998785), (25, 799028), (50, 399514), (53, 376900), (100, 199757), (106, 188450), (212, 94225), (265, 75380), (530, 37690), (1060, 18845), (1325, 15076), (2650, 7538), (3769, 5300)]