2006620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 5257728

約数和(自身を除く): 3251108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1303, 1540, 2606, 5212, 6515, 9121, 13030, 14333, 18242, 26060, 28666, 36484, 45605, 57332, 71665, 91210, 100331, 143330, 182420, 200662, 286660, 401324, 501655, 1003310, 2006620]

約数ペア:

[(1, 2006620), (2, 1003310), (4, 501655), (5, 401324), (7, 286660), (10, 200662), (11, 182420), (14, 143330), (20, 100331), (22, 91210), (28, 71665), (35, 57332), (44, 45605), (55, 36484), (70, 28666), (77, 26060), (110, 18242), (140, 14333), (154, 13030), (220, 9121), (308, 6515), (385, 5212), (770, 2606), (1303, 1540)]