20852006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 37896960

約数和(自身を除く): 17044954

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 277, 283, 554, 566, 1939, 1981, 3878, 3962, 5263, 5377, 10526, 10754, 36841, 37639, 73682, 75278, 78391, 156782, 548737, 1097474, 1489429, 2978858, 10426003, 20852006]

約数ペア:

[(1, 20852006), (2, 10426003), (7, 2978858), (14, 1489429), (19, 1097474), (38, 548737), (133, 156782), (266, 78391), (277, 75278), (283, 73682), (554, 37639), (566, 36841), (1939, 10754), (1981, 10526), (3878, 5377), (3962, 5263)]